amgylchynol adj surrounding
amgylchynu vb to surround
amharchu vb to dishonour, to disrespect
amharchus adj disrespectful, disreputable
amhariad nm impairment, damage
amharod adj unprepared, unready
amharodrwydd nm unreadiness
amharu vb to impair, to harm, to injure, to damage
amhendant adj indefinite, vague
amhenderfynol adj irresolute
amhenodol adj indefinite
amherchi vb to dishonour, to insult
amherffaith adj imperfect
amherffeithrwydd nm imperfection
amhersonol adj impersonal
amherthnasol, amherthynasol adj irrelevant
amheuaeth nf doubt, scepticism
amheugar adj suspicious; sceptical
amheuol adj doubting, doubtful
amheus adj doubting, doubtful, dubious
amheuthun adj dainty, savoury ▶ nm (-ion) dainty, delicacy, treat
amheuwr (-wyr) nm doubter, sceptic
amhlantadwy adj childless, barren
amhleidiol, amhleitgar adj impartial
amhoblog adj sparsely populated
amhoblogaidd adj unpopular
amhosibl adj impossible
amhriodol adj improper
amhrisiadwy adj priceless
amhrofiadol adj inexperienced
amhrydlon adj unpunctual
amhûr adj impure, foul
amhwrpasol adj irrelevant
amhwyllo vb to lose one’s senses, to go mad
aml adj frequent, abundant ▶ adv often
amlder, amldra nm abundance
amldduwiad (-iaid) nm polytheist
amldduwiaeth nf polytheism
amleiriog adj wordy, verbose, prolix
amlen (-ni) nf envelope, wrapper
amlhad nm increasing, increase
amlhau vb to increase, to multiply
amlinelliad (-au) nm outline
amlinellu vb to outline
aml-lawr adj multi-storey
amlochrog adj many-sided
amlosgfa nf crematorium
amlosgi vb to cremate
amlwg adj plain, clear, manifest, evident, prominent
amlwreigiaeth nf polygamy
amlwreigiwr (-wyr) nm polygamist
amlygiad (-au) nm manifestation
amlygrwydd nm prominence, limelight
amlygu vb to manifest, to reveal, to evince
amnaid (-neidiau) nf beck, nod
amneidio vb to beckon, to nod
amnest (-au) nm amnesty
amod (-au) nmf condition
amodi vb to covenant, to stipulate
amodol adj conditional
amp (-au) nm amp
amrant (-au, -rannau) nm eyelid
amrantiad nm wink, twinkling, second
amrediad nm range
amreiniol adj not privileged
amrwd adj uncooked, raw, crude
amryddawn adj versatile
amryfal adj sundry, manifold
amryfus adj erroneous, inadvertent
amryfusedd (-au) nm error, oversight
amryliw adj variegated; multicoloured
amryw adj several, sundry, various
amrywiad (-au) nm variant
amrywiaeth nm variety, diversity
amrywio vb to vary, to differ
amrywiol adj sundry
amser (-oedd, -au) nmf time; amser sbâr spare time
amseriad (-au) nm timing, dating, date
amserlen (-ni) nf time-table
amserol adj timely; temporal
amseru vb to time, to date
amserydd (-ion) nm chronologist
amseryddiaeth nf chronology
amseryddol adj chronological
amwisg (-oedd) nf covering, shroud
amwisgo vb to enwrap, to shroud
amwys adj ambiguous
amwysedd nm ambiguity
amyn conj, prep unless, except, but
amynedd nm patience
amyneddgar adj patient
an- prefix un-, in-, de-, dis-
anabl adj disabled
anabledd nm disability
anad adj: yn anad above all, more than
anadferadwy adj irreparable
anadl (-au, -on) nfm breath
anadliad nm breath, breathing
anadlu vb to breathe
anadlydd (-ion) nm inhaler
anadnabyddus adj unknown
anaddas adj unfit, unsuitable
anaddasu vb to unfit, to disqualify
anaeddfed, anaddfed adj unripe, immature
anaeddfedrwydd nm unripeness, immaturity
anaele adj awful, direful; incurable
anaesthetig adj anaesthetic
anaf (-au) nm blemish, defect; wound
anafu vb to blemish, to maim, to hurt
anafus adj maimed, disabled
anair (-eiriau) nm ill report, slander
anallu nm inability
analluog adj unable
analluogi vb to disable
anaml adj infrequent, rare ▶ adv rarely, seldom
anamlwg adj obscure, inconspicuous
anamserol adj untimely, mistimed
anap (anhapon) nmf mischance, mishap
anarchiaeth nfm anarchy
anarchydd (-ion) nm anarchist
anarferol adj unusual, extraordinary
anarfog adj unarmed
ancr nmf anchorite, anchoress
ancwyn (-ion) nm dinner, supper; delicacy
anchwiliadwy adj unsearchable
andras nm curse; devil, deuce
andwyo vb to spoil, to ruin, to undo
andwyol adj harmful, ruinous
anedifeiriol adj impenitent
aneffeithiol adj ineffectual
aneglur adj indistinct; illegible
aneirif adj innumerable
anelu vb to bend, to aim
anenwog adj unrenowned, ignoble, mean
anerchiad (-au) nm salutation, address
anesboniadwy adj inexplicable
anesgusodol adj inexcusable
anesmwyth adj uneasy, restless
anesmwythder, anesmwythdra nm uneasiness, unrest
anesmwytho vb to be or make uneasy
anesmwythyd nm uneasiness, disquiet
anewyllysgar adj unwilling
anfad adj wicked, nefarious
anfadrwydd nm wickedness, villainy
anfadwaith nm villainy; crime
anfadwr (-wyr) nm villain, scoundrel
anfaddeugar adj unforgiving
anfaddeuol adj unpardonable
anfantais (-eision) nf disadvantage
anfanteisiol adj disadvantageous
anfarwol adj undying, immortal
anfarwoldeb nm immortality
anfedrus adj unskilful
anfedrusrwydd nm unskilfulness
anfeidrol adj infinite
anfeidroldeb nm infinity
anferth adj huge, monstrous
anferthedd nm hugeness, monstrosity
anfodlon adj unwilling
anfodloni vb to discontent, to dissatisfy
anfodlonrwydd nm discontent
anfodd nm unwillingness, displeasure
anfoddhaol adj unsatisfactory
anfoddio vb to displease, to disoblige
anfoddlon see anfodlon
anfoddog adj discontented, dissatisfied
anfoddogrwydd nm discontentment
anfoesgar adj unmannerly, rude
anfoesgarwch nm rudeness, incivility
anfoesol adj immoral
anfoesoldeb nm immorality
anfon vb to send, to transmit, to dispatch
anfoneb nf invoice
anfoneddigaidd adj ungentlemanly
anfonheddig adj ignoble, discourteous
anfoniad nm sending, transmission
anfri nm disrespect, dishonour
anfucheddol adj immoral
anfuddiol adj unprofitable
anfwriadol adj unintentional
anfwyn adj unkind, uncivil
anfwytadwy adj inedible
anfynych adj infrequent, rare ▶ adv seldom
anffaeledig adj infallible
anffaeledigrwydd nm infallibility
anffafriol adj unfavourable
anffawd (-ffodion) nf misfortune
anffodus, anffortunus adj unfortunate
anffrwythlon adj unfruitful, barren
anffurfio vb to disfigure, to deform
anffurfiol adj informal
anffyddiaeth nf atheism
anffyddiwr (-wyr) nm infidel, atheist
anffyddlon adj unfaithful
anhaeddiannol adj unmerited, undeserved
anhaeddiant nm demerit, unworthiness
anhapus adj unhappy, unlucky
anhardd adj unhandsome, unseemly, ugly
anhawdd adj hard, difficult
anhawddgar adj unamiable, unlovely
anhawster (anawsterau) nm difficulty
anhepgor (-ion) nm essential
anhepgorol adj indispensable
anhoffter nm hatred, dislike
anhraethadwy adj unutterable
anhraethol adj unspeakable, ineffable
anhrefn nm disorder, confusion
anhrefnu vb to disorder, to disarrange
anhrefnus adj disorderly, untidy
anhreiddiol adj impervious, impenetrable
anhreuliedig adj undigested; unspent
anhrugarog adj unmerciful, merciless
anhuddo vb to cover (a fire)
anhunedd nm wakefulness, disquiet
anhwyldeb nm disorder, complaint, illness
anhwylder nm illness
anhwylus adj unwell
anhwylustod nm inconvenience
anhyblyg adj inflexible, stiff, rigid
anhydawdd adj insoluble
anhyder nm distrust, diffidence
anhyderus adj diffident
anhydrin adj unmanageable
anhydyn adj intractable, obstinate
anhyddysg adj unversed, ignorant
anhyfryd adj unpleasant
anhyfrydwch nm unpleasantness
anhygar adj unpleasant, unamiable
anhygoel adj incredible
anhygyrch adj inaccessible
anhylaw adj unhandy, unwieldy
anhynod adj indistinctive; uncertain
anhysbys adj unknown; unversed
anhywaith adj intractable, refractory
anial adj desert, wild ▶ nm wilderness
anialwch nm wilderness
anian (-au) nf nature, instinct, genius
anianawd nm temperament, disposition
anianol adj natural
anianyddol adj physical
anifail (-feiliaid) nm animal, beast
anifeilaidd adj beastly, brutish
anifeileiddio vb to animalize, to brutalize
anlwc nf bad luck, misfortune
anlwcus adj unlucky
anllad adj wanton, lascivious, lewd
anlladrwydd nm wantonness, lewdness
anllygredig adj incorrupt, incorruptible
anllygredigaeth nf incorruption
anllythrennog adj illiterate
anllywodraeth nf misrule, anarchy
annaearol adj unearthly, weird
annatodol adj indissoluble, that cannot be undone
annaturiol adj unnatural
annealladwy adj unintelligible
anneallus adj unintelligent
annedwydd adj unhappy, miserable
annedwyddwch nm unhappiness
annedd (anheddau) nf dwelling
anneddfol adj lawless
annefnyddiol adj useless; immaterial
annel (anelau) nfm trap; purpose, aim
annelwig adj shapeless, unformed; vague
anner (aneirod, -i, -au) nf heifer
annerbyniol adj unacceptable
annerch vb to salute, to greet, to address ▶ nm (anerchion) salutation, greeting
annewisol adj ineligible, undesirable, unwelcome
annhebyg adj unlike, dissimilar
annhebygol adj unlikely, improbable
annhebygolrwydd nm improbability
annhebygrwydd nm unlikeness, unlikelihood
annheg adj unfair
annhegwch nm unfairness
annheilwng adj unworthy
annheilyngdod nm unworthiness
annherfynol adj endless; infinitive, infinite
annhirion adj cruel
annhosturiol adj pitiless, ruthless
annhuedd nf disinclination
annhueddol adj disinclined, indisposed
anniben adj untidy, slovenly
annibendod nm untidiness
annibyniaeth nf independence
annibynnol adj independent
Annibynnwr (-wyr) nm Independent
annichellgar adj guileless, simple
annichon, annichonadwy adj impossible
anniddan adj comfortless, miserable
anniddig adj peevish, irritable, fretful
anniddigrwydd nm peevishness
anniddos adj leaky, comfortless
annifeiriol adj innumerable, countless
anniflanedig adj unfading, imperishable
annifyr adj miserable, wretched
annifyrrwch nm misery
anniffoddadwy adj unquenchable
annigonedd nm insufficiency
annigonol adj insufficient, inadequate
annigonolrwydd nm inadequacy
annileadwy adj indelible, ineffaceable
annilys adj unauthentic, spurious, insincere
annillyn adj inelegant, clumsy
annioddefol adj unbearable, intolerable
anniogel adj unsafe, insecure
anniolchgar adj unthankful, ungrateful
anniolchgarwch nm ingratitude
annirnadwy adj incomprehensible
annisgrifiadwy adj indescribable
annisgwyliadwy adj unexpected
anniwair adj unchaste, incontinent, lewd
anniwall adj insatiable
anniweirdeb nm unchastity, incontinence
anniwylliedig adj uncultured
annoeth adj unwise, imprudent
annoethineb nm unwisdom, folly
annog vb to incite, to urge; to exhort
annormal adj abnormal
annos vb to incite, to set (a dog) on
annosbarthus adj unruly, disorderly
annuw, annuwiad (annuwiaid) nm atheist
annuwiaeth nf atheism
annuwiol adj ungodly, godless
annuwioldeb nm ungodliness
annwn, annwfn nm the underworld; hell
annwyd (anwydau, -on) nm cold
annwyl adj dear, beloved
annyledus adj undue, wrongful
annymunol adj unpleasant, disagreeable
annynol adj inhuman, cruel
annysgedig adj unlearned
anobaith nm despair
anobeithio vb to despair
anobeithiol adj hopeless
anochel, anocheladwy adj unavoidable, inevitable
anodd adj hard, difficult
anoddefgar adj impatient, intolerant
anogaeth (-au) nf exhortation
anolrheinadwy adj untraceable
anolygus adj unsightly
anonest adj dishonest
anonestrwydd nm dishonesty
anorchfygol adj irresistible; unconquerable
anorecsig adj anorexic
anorfod adj insuperable; unavoidable
anorffen adj endless, unending
anorffenedig adj incomplete, unfinished
anorthrech adj invincible
anrasol adj graceless
anrhaith (-rheithiau) nf prey, spoil, booty
anrheg (-ion) nf present, gift
anrhegu vb to present, to give
anrheithio vb to prey, to spoil, to plunder
anrheithiwr (-wyr) nm spoiler, pillager
anrhydedd (-au) nm honour
anrhydeddu vb to honour
anrhydeddus adj honourable
anrhydeddwr (-wyr) nm honourer
ansad adj unsteady, unstable
ansadrwydd nm instability
ansafadwy adj unstable; fickle
ansathredig adj untrodden, unfrequented
ansawdd (-soddau) nfm quality, state
ansefydlog adj unsettled, unstable; fickle
ansefydlogi vb to unsettle
ansicr adj uncertain, doubtful
ansicrwydd nm uncertainty, doubt
ansoddair (-eiriau) nm adjective
ansoddeiriol adj adjectival
ansyber adj untidy, slovenly
Antarctig nf; yr Antarctig the Antarctic
anterliwt (-iau) nfm interlude
anterth nm meridian, zenith, prime
antur (-iau) nfm attempt, venture; adventure; enterprise; ar antur at random
anturiaeth (-au) nf adventure, enterprise
anturiaethus adj adventurous, enterprising
anturiaethwr (-wyr) nm adventurer
anturio vb to venture, to adventure
anturus adj adventurous
anthem (-au) nf anthem
anudon (-au) nm false oath, perjury
anudoniaeth nf perjury
anudonwr (-wyr) nm perjurer
anufudd adj disobedient
anufudd-dod nm disobedience
anufuddhau vb to disobey
anundeb nm disunion
anunion adj crooked; unjust
anuniondeb nm injustice, iniquity
anurddo vb to spoil, to mar, to disfigure
anwadal adj unstable, fickle, changeable
anwadalu vb to waver, to vacillate
anwadalwch nm fickleness
anwar adj wild, barbarous, savage
anwaraidd adj uncivilized, barbarous
anwarddyn (-wariaid) nm barbarian, savage
anwareidd-dra nm barbarity
anwastad adj uneven, unstable, fickle
anwe (-oedd) nf woof
anwedd nm vapour, steam
anweddaidd adj unseemly, indecent
anweddus adj improper, indecent
anweledig adj unseen, invisible
anwes nm indulgence; caress
anwesog adj pampered, affectionate
anwesu vb to fondle, to caress, to pamper, to indulge
anwir adj untrue, lying, false; wicked
anwiredd (-au) nm untruth; iniquity
anwireddu vb to falsify
anwireddus adj untruthful, false, lying
anwr (-wyr) nm wretch, coward
anwybod nm ignorance
anwybodaeth nf ignorance
anwybodus adj ignorant
anwybyddu vb to ignore
anwydog adj cold, chilly; having a cold
anwydwst nf influenza
anwyldeb nm belovedness, dearness
anwyliaid npl beloved ones, favourites
anwylo vb to cherish, to fondle, to caress
anwylyd (-liaid) nm beloved
anwylyn nm favourite
anwythiad nm induction
anwytho vb to induce
anwythol adj inductive
anymarferol adj impractical, impracticable
anymddiried vb to mistrust, to distrust
anymwybodol adj unconscious
anymwybyddiaeth nf unconsciousness
anynad adj peevish, petulant; brawling
anysgrifenedig adj unwritten
anysgrythurol adj unscriptural
anystwyth adj stiff, rigid
anystwytho vb to stiffen
anystyriaeth nf heedlessness, rashness
anystyriol adj heedless, reckless, rash
anystywallt, anystywell adj unmanageable
apelio vb to appeal
apostol (-ion) nm apostle
apostolaidd, apostolig adj apostolic
apostoliaeth nf apostleship
apwyntiad (-au) nm appointment
apwyntio vb to appoint
ar prep on, upon, over; ar gau closed
âr nm ploughed land, tilth; ground
Arab (-iaid) nm Arab
arab adj facetious, merry, pleasant
Arabaidd adj Arab
arabedd nm facetiousness, wit
Arabeg nf Arabic
arabus adj witty
aradr (erydr) nm plough
araf adj slow, soft, gentle, still
arafu vb to slow; to quiet; to moderate
arafwch nm slowness; moderation
arail vb to guard, to care for, to foster ▶ adj attending, careful
araith (areithiau) nf speech
arall (eraill) adj, pron another, other; else
aralleg (-au) nfm allegory
aralleiriad (-au) nm paraphrase
aralleirio vb to paraphrase
araul adj sunny, sunlit; serene
arawd nf speech, oration
arbed vb to spare, to save
arbediad (-au) nm save, salvage
arbedol adj sparing, saving
arbedwr (-wyr) nm: arbedwr sgrin screen saver
arbenigaeth nf expertise; specialisation
arbenigo vb to specialise
arbenigrwydd nm speciality, prominence
arbenigwr (-wyr) nm specialist
arbennig adj special
arbrawf (arbrofion) nm experiment
arbrofi vb to experiment
arbrofol adj experimental
Arctig nf: yr Arctig the Arctic
arch1 (eirchion) nf request, petition; bidding
arch2 (eirch) nf ark, coffin; trunk, waist
archaeoleg nf archaeology
archangel (-ylion) nm archangel
archddiacon (-iaid) nm archdeacon
archeb (-ion) nf order
archebu vb to order
archen nf shoe; clothing
archenad nm shoe; clothing
Archentaidd adj Argentinian
archesgob (-ion) nm archbishop
archesgobaeth (-au) nf archbishopric
archfarchnad (-oedd) nf supermarket
archiad nm bidding
archif (-au) nfm archive
archifdy (-dai) nm record office
archifydd (-ion) nm archivist
archoffeiriad (-iaid) nm high priest
archoll (-ion) nf wound
archolli vb to wound
archwaeth nm taste, appetite
archwaethu vb to taste, to savour
archwiliad (-au) nm audit; checkup; inspection, examination; exploration
archwilio vb to examine, to audit; to explore
archwiliwr (-wyr) nm examiner, auditor; explorer
ardal (-oedd) nf region, district
ardalydd (-ion) nm marquis
ardreth (-i) nf rent
ardrethu vb to rent
ardystiad (-au) nm pledge, attestation
ardystio vb to pledge, to attest
arddangos vb to show, to exhibit, to indicate
arddangosfa (-feydd) nf show, exhibition
arddegau npl teens
arddegol adj teenage
arddel vb to avow, to own
arddeliad nm claim, avowal; unction
ardderchog adj excellent, noble, splendid
ardderchowgrwydd nm excellency
arddodi vb to prefix; to impose
arddodiad (-iaid) nm preposition
arddu vb to plough
arddull (-iau) nf style
arddulleg nf stylistics
ardduniant nm sublimity
arddunol adj sublime
arddwr (-wyr) nm ploughman
arddwrn (-ddyrnau) nm wrist
arddywediad (-au) nm dictation
aredig vb to plough
areitheg nf rhetoric
areithio vb to speak, to make a speech
areithiwr (-wyr) nm speaker, orator
areithyddiaeth nf oratory; elocution
arel nm laurel
aren (-nau) nf kidney; (pl) reins
arestio vb to arrest
arf (-au) nmf weapon; (pl) arms; tool
arfaeth (-au) nf purpose; decree
arfaethu vb to purpose, to intend
arfbais (-beisiau) nf coat of arms
arfdy (-dai) nm armoury
arfer vb to use, to accustom ▶ nfm (-ion) use, custom, habit
arferiad nmf use, custom, habit
arferol adj usual, customary
arfod nf stroke of a weapon, fight; armour; opportunity
arfog adj armed
arfogaeth nf armour
arfogi vb to arm
arfoll (-au) nm pledge, oath
arfordir (-oedd) nm coast
arforol adj maritime
arffed (-au) nf lap
argae (-au) nm dam, embankment; enclosed place
argeisio vb to seek
argel nmf concealment, refuge ▶ adj hidden, occult
arglwydd (-i) nm lord
arglwyddaidd adj lordly
arglwyddes (-au) nf lady
arglwyddiaeth (-au) nf lordship, dominion
argoed (-ydd) nm enclosure of trees
argoel (-ion) nf sign, token, omen
argoeli vb to betoken, to portend, to augur
argoelus adj ominous
argraff (-ion, -au) nf print, impression
argraffdy (-dai) nm printer’s, printing-house
argraffiad (-au) nm impression; edition
argraffu vb to print, to impress
argraffwaith nm print, typography
argraffwasg nf printing-press
argraffwr (-wyr), argraffydd (-ion) nm printer
argrwm, argrwn adj convex
argyfwng (-yngau, -yngoedd) nm crisis
argyhoeddi vb to reprove; to convince, to convict
argyhoeddiad (-au) nm conviction
argyhoeddiadol adj convincing
argymell vb to urge, to recommend
argymhelliad nm recommendation
arholi vb to examine
arholiad (-au) nm examination; arholiad mynediad entrance examination
arholwr (-wyr) nm examiner
arhosfa nf stop; arhosfa bws, arhosfa bysiau bus stop
arhosfan (-nau) nm = arhosfa
arhosiad nm staying, stay
arhosol adj abiding, permanent
arial nm vigour, mettle
arian nm silver ▶ coll n money, cash; arian breiniol currency; arian byw mercury; arian gleision silver; arian parod cash; arian pen exact money; arian treigl current money
ariandy (-dai) nm bank
ariangar adj fond of money, avaricious
ariangarwch nm love of money, avarice
ariannaid adj silver, silvern
ariannaidd adj silvery
arianneg nmf finance
Ariannin nf Argentina
ariannog adj moneyed, wealthy, rich
ariannol adj financial, monetary
ariannu vb to silver; to finance/fund
ariannydd (arianyddion) nm banker, investor, financier
arlais (-leisiau) nf temple
arlein, ar-lein adj, adv online
arloesi vb to clear, to prepare the way, to pioneer
arloesydd (-wyr) nm pioneer
arluniaeth nf portraiture, painting
arlunio vb to draw, to paint, to portray
arlunydd (-wyr) nm artist
arlwy (-au, -on) nmf provision, feast, menu
arlwyaeth (-au) nf catering
arlwyo vb to prepare, to provide; to cook
arlywydd (-ion) nm president
arlywyddiaeth nf presidency
arlywyddol adj presidential
arlliw (-iau) nm varnish, tint, shade, trace
arlliwio vb to colour, to tint, to paint
arllwys vb to pour out, to empty
arllwysfa nf outfall, outlet, vent
armel nm second milk
armes nf prophecy; calamity
arnofio vb to float
arobryn adj worthy, prize-winning
arofun vb to intend, to purpose
arogl (-au), aroglau (-euon) nm scent, smell
arogldarth nm incense
arogldarthu vb to burn incense
arogli, arogleuo vb to scent; to smell
arogliad nm smelling, sense of smell
aroleuadau npl: aroleuadau gwallt highlights
aroleuydd (-ion) nm highlighter (pen)
arolwg nm survey
arolygiad (-au) nm inspection
arolygiaeth nf superintendency
arolygu vb to superintend
arolygwr (-wyr), arolygydd (-ion) nm superintendent, inspector; supervisor
aros vb to wait, to await, to stay, to stop, to tarry, to abide, to remain; aros ar ôl stay behind; aros gartref stay in
arswyd nm dread, terror, horror
arswydo vb to dread; to shudder
arswydus adj fearful, terrible, dreadful
arsylwi vb to observe
arsyllfa (-feydd) nf observatory
arsyllu vb to observe
artaith (-teithiau) nf torture, torment, pang
arteithio vb to torture, to rack
arteithiol adj racking, excruciating
artisiog (-au) nm artichoke
artistig adj artistic
arth (eirth) nfm bear
arthes (-au) nf she-bear
arthio, arthu vb to bark, to growl
aruchel adj lofty, sublime
arucheledd nm loftiness, sublimity
aruthr adj marvellous, strange
aruthredd nm amazement, horror
aruthrol adj huge, prodigious
arwahanrwydd nm uniqueness, individuality
arwain vb to conduct, to lead, to guide, to carry
arwedd (-au, -ion) nf bearing, aspect
arweddu vb to bear
arweddwr (-wyr) nm bearer
arweiniad nm guidance; introduction
arweiniol adj leading, introductory
arweinydd (-ion) nm guide, leader; conductor
arweinyddiaeth nf leadership
arwerthiant (-iannau) nm auction
arwerthu vb to sell by auction
arwerthwr (-wyr) nm auctioneer
arwisgiad nm investiture
arwisgo vb to enrobe, to array, to invest
arwr (-wyr) nm hero
arwraidd adj heroic, epic
arwres (-au) nf heroine
arwrgerdd (-i) nf epic poem
arwriaeth nf heroism
arwrol adj heroic, gallant
arwybod nm awareness
arwydd (-ion) nmf sign, signal; ensign; arwydd ffordd road sign
arwyddair (-eiriau) nm motto
arwyddbost nm signpost
arwyddlun (-iau) nm emblem, symbol
arwyddluniol adj emblematic, symbolic
arwyddnod (-au) nm mark, token
arwyddo vb to sign; to signify
arwyddocâd nm signification, significance
arwyddocaol adj significant
arwyddocáu vb to signify, to denote
arwyl (-ion) nf funeral, funeral rites
arwylo vb to mourn over the dead
arwynebedd nm surface, superficies
arwynebol adj superficial
arwyrain nmf praise, panegyric ▶ vb to rise, to extol
arwystl nm mortgage
arwystlo vb to pledge, to mortgage
arysgrif (-au), arysgrifen (-nau) nf inscription, epigraph
asb (-iaid) nf asp
asbri nm animation, vivacity, spirits
ased nm asset
aseiniad (-au) nm assignment
asen1 (-nau) nf rib
asen2 (-nod) nf she-ass
asesiad nm: asesiad parhaus continuous assessment
asesu vb to assess; asesu parhaus continuous assessment
aseth nf stake, spar, lath
asgell (esgyll) nf wing, fin; asgell fraith chaffinch
asgellog adj winged
asgellwr (-wyr) nm wing, outside-forward
asglod, asglodion npl chips
asgre nf bosom, heart
asgwrn (esgyrn) nm bone
Asia nf Asia
Asiad (Asiaid) nm Asian
asiad (-au) nm joint, weld
Asiaidd adj Asian
asiant (-au) nm agent
asiantaeth nf agency
asid nm acid
asidig adj acidic
asiedydd nm joiner
asio vb to join, to weld; to solder; to cement
astell (astyllod, estyll) nf plank, shelf
astroleg nf astrology
astrus adj abstruse, difficult
astud adj attentive
astudiaeth (-au) nf study; astudiaethau cyfrifiadurol computer studies
astudio vb to study
astudrwydd nm attentiveness
aswy adj left
asyn (-nod) nm he-ass
asynnaidd adj asinine
at prep to, towards; for; at; by
atafaeliad nm confiscation, distraint
atafaelu vb to confiscate
atal vb to stop, to hinder, to withhold ▶ nm (-ion) hindrance, impediment; atal dweud stammering
ataleb (-au) nf injunction
atalfa (-feydd) nf check; stoppage
ataliad (-au) nm stoppage
ataliol adj preventive
atalnod (-au) nf stop, point
atalnodi vb to point, to punctuate
atblygol adj reflexive
ateb vb to answer, to reply ▶ nm (-ion) answer
atebol adj answerable, responsible
ateg (-ion) nf prop, stay, support
ategiad (-au) nm affirmation
ategol adj confirming; auxiliary
ategu vb to support
atgas adj odious, hateful
atgasedd nm hatred
atgasrwydd nm odiousness, hatefulness
atgenhedliad nm regeneration
atgenhedlu vb to regenerate
atgno (-oeau, -oeon) nm remorse
atgof (-ion) nm remembrance, reminiscence
atgofio vb to recollect, to remember, to remind
atgofus adj reminiscent
atgoffa vb to recall, to remind
atgyfnerthion npl reinforcements
atgyfnerthu vb to reinforce
atgyfodi vb to rise, to raise again
atgyfodiad nm resurrection
atgynhyrchu vb to reproduce
atgyweiriad (-au) nm repair
atgyweirio vb to repair, to mend
atgyweiriwr (-wyr) nm repairer, mender
atig (-au) nmf attic
Atlantaidd adj Atlantic
Atlantig adj Atlantic
atodi vb to add, to append, to affix
atodiad (-au) nm addition, appendix
atodlen (-ni) nf supplement; schedule
atodol adj supplementary
atolwg, atolygu vb to pray, to beseech
atom (-au) nfm atom
atomfa (-feydd) nf nuclear power station
atomig adj atomic
atsain (-seiniau) nf echo
atseinio vb to resound, to echo
atwf (atyfion) nm second growth
atyniad (-au) nm attraction
atyniadol adj attractive
atynnu vb to attract
Athen nf Athens
athletau npl athletics
athrawes (-au) nf teacher, governess
athrawiaeth (-au) nf doctrine
athrawiaethol adj doctrinal
athrist adj very sad, pensive, sorrowful
athro (athrawon) nm teacher, master
athrod (-ion) nm slander, libel
athrodwr (-wyr) nm slanderer, libeller
athrofa (-feydd) nf college, academy, institute
athrofaol adj academic
athroniaeth nf philosophy
athronydd (-ion, -wyr) nm philosopher
athronyddol adj philosophical
athronyddu vb to philosophize
athrylith (-oedd) nf genius
athrylithgar adj of genius, talented
athrywyn nm mediation, intervention ▶ vb to mediate, to arbitrate
aur nm gold
awch nm edge; ardour, zest; relish, appetite
awchlym adj sharp, keen, acute
awchlymu vb to sharpen, to whet
awchus adj sharp, keen; eager; greedy
awdl (-au, odlau) nf ode
awdur (-on, -iaid) nm author
awdurdod (-au) nmf authority
awdurdodedig adj authorised
awdurdodi vb to authorize
awdurdodol adj authoritative
awdures (-au) nf authoress
awduriaeth nf authorship
awel (-on) nf breeze, wind
awelog adj breezy, windy
awen1 (-au) nf muse
awen2 (-au) nf rein
awenydd (-ion) nm poet
awenyddiaeth nf poetry, poesy
awenyddol adj poetical
awenyddu vb to poetize
awgrym (-au, -iadau) nm hint, suggestion
awgrymiadol adj suggestive
awgrymog adj suggestive
awgrymu vb to hint, to suggest
awr (oriau) nf hour; oriau hamdden spare time, leisure; oriau hyblyg flexitime; oriau ychwanegol overtime
Awst nm August
Awstralia nf Australia
Awstria nf Austria
awtistig adj autistic
awydd (-au) nm desire, eagerness
awyddfryd nm vehement desire, zeal
awyddu vb to desire
awyddus adj desirous, eager, zealous
awyr nf air, sky
awyrdrom (-au) nf aerodrome
awyren (-nau, -ni) nf balloon, aeroplane
awyrendy (-dai) nm hangar
awyrgylch (-au, -oedd) nmf atmosphere
awyriad nm ventilation
awyrlong (-au) nf airship
awyru vb to air, to ventilate