adnewyddu vb to renew, to renovate
adnewyddwr (-wyr) nm renewer, renovator
adnod (-au) nf verse
adnoddau npl resources
adolygiad (-au) nm review
adolygu vb to review
adolygydd (-ion) nm reviewer
adran (-nau) nf division, section, department
adref adv homewards, home
Adriatig nm: yr Adriatig the Adriatic (Sea)
adrodd vb to relate, to recite
adroddgan (-au) nf recitative
adroddiad (-au) nm report; recitation
adroddwr (-wyr) nm narrator, reciter
aduniad nm reunion
aduno vb to reunite
adwaith (-weithiau) nm reaction
adweithio vb to react
adweithiol adj reactionary
adweithydd (-ion) nm reactor
adwerthu vb to retail
adwr nm coward, churl
adwy (-au, -on) nf gap, breach; pass
adwyth (-au) nm evil, misfortune, illness
adwythig adj cruel; evil, baneful; sore, sick; harmful
adyn (-od) nm wretch
adysgrif (-au) nf copy, transcript
adysgrifio vb to copy, to transcribe
addas adj suitable, proper
addasiad (-au) nm adjustment, adaptation
addasrwydd nm suitableness, fitness
addasu vb to suit, to adapt, to fit
addawol adj promising
addef vb to acknowledge, to own, to admit
addefiad nm admission, confession
addewid (-ion) nf promise
addfain adj slender, shapely
addfed adj see aeddfed
addfwyn adj gentle, meek, mild
addfwynder nm gentleness, meekness
addien adj fair, beautiful
addo vb to promise
addod nm: wy addod nest-egg
addoed nm death, hurt
addoedi vb to delay, to postpone
addoediad nm prorogation
addoer adj sad, cruel; chilling
addoldy (-dai) nm place of worship
addolgar adj devout, reverent
addolgarwch nm devoutness, reverence
addoli vb to worship, to adore
addoliad nm worship
addolwr (-wyr) nm worshipper
adduned (-au) nf vow
addunedu vb to vow
addurn (-au, -iadau) nm ornament, adornment
addurnedig adj decorated
addurniad nm ornamentation
addurno vb to decorate, to adorn, to ornament
addurnol adj ornamental, decorative
addurnwr (-wyr) nm decorator
addysg nf education, instruction; addysg gorfforol PE; addysg uwch higher education
addysgiadol adj instructive, educational
addysgiaeth nf instruction, training
addysgol adj educational
addysgu vb to educate, to instruct
addysgwr (-wyr), addysgydd (-ion) nm educator, instructor, tutor
aeddfed adj ripe, mature
aeddfedrwydd nm ripeness, maturity
aeddfedu vb to ripen; to mature
ael (-iau) nf brow
aele adj sad, wretched
aelod (-au) nm member, limb; Aelod Seneddol Member of Parliament
aelodaeth nf membership
aelodi vb to become a member; to enrol
aelwyd (-ydd) nf hearth, fireside
aer1 (-ion) nm heir
aer2 nm air
aerdymheru nm air conditioning
aeres (-au) nf heiress
aerfa nf slaughter, battle
aerglo nm air-lock
aerobeg nm aerobics
aeron npl fruit, fruits, berries
aerwy (-au, -on) nm collar, torque; neck-chain
aes nf shield
aestheteg nf aesthetics
aesthetig adj aesthetic
aeth nm pain, grief, fear, shock
aethnen nf aspen, poplar
aethus adj poignant, grievous, severe
afal (-au) nm apple
afallen (-nau) nf apple-tree
afan npl (nf -en) raspberries
afanc (-od) nm beaver
afiach adj unwell, unhealthy, morbid
afiachus adj sickly; unwholesome
afiaith nm zest, mirth, glee
afiechyd (-on) nm disease, malady
afieithus adj mirthful, gleeful
aflafar adj harsh, unmelodious
aflan adj unclean, polluted, foul
aflawen adj fierce; sad, cheerless, dismal; awful
aflednais adj immodest, indelicate
afledneisrwydd nm immodesty, indelicacy
aflem adj obtuse
aflendid nm uncleanness; pollution
aflêr adj untidy, slovenly
aflerwch nm untidiness, slovenliness
afles nm disadvantage, hurt
aflesol adj disadvantageous, unprofitable
afliwiog adj pale, colourless
aflonydd adj unquiet, restless
aflonyddu vb to disturb, to molest
aflonyddwch nm disturbance, unrest
aflonyddwr (-wyr) nm disturber
afloyw adj turbid; opaque
afluniaidd adj mis-shapen, deformed
aflunio vb to disfigure, to deform
aflwydd nm misfortune, calamity
aflwyddiannus adj unsuccessful
aflwyddiant nm failure
aflwyddo vb to fail
aflywodraeth nf misrule, anarchy
aflywodraethus adj ungovernable, uncontrollable
afocado (-s) nm avocado
afon (-ydd) nf river
afonig nf rivulet, streamlet, brook
afradlon adj wasteful, prodigal
afradlonedd nm prodigality
afradloni, afradu vb to waste, to lavish, to squander
afraid adj unnecessary, needless ▶ nm superfluity
afrasol adj graceless, impious
afrealaidd, afrealistig adj unrealistic
afreidiol adj needless, superfluous
afreol nf misrule, disorder
afreolaidd adj irregular; disorderly
afreoleidd-dra nm irregularity
afreolus adj unruly, disorderly
afreswm nm absurdity
afresymegol adj illogical
afresymol adj unreasonable
afresymoldeb nm unreasonableness
afrifed adj innumerable
afrllad (-au), afrlladen (-nau) nf wafer
afrosgo adj clumsy, unwieldy
afrwydd adj difficult, stiff, awkward
afrwyddineb nm difficulty
afrwyddo vb to obstruct, to hinder
afrywiog adj perverse, cross-grained, improper
afrywiogrwydd nm churlishness, roughness
afu nmf liver; afu (g)las gizzard
afwyn (-au) nf rein
affeithiad nm affection (in grammar)
Affganistan nf Afghanistan
afflau nm grip, hug, embrace
affliw nm shred, particle
Affrica nf Africa
Affricanaidd adj African
Affricanwr (-wyr) nm African
affwysol nm abysmal
ag, â conj as ▶ prep with
agen (-nau) nf cleft, chink, fissure
agendor nmf gulf, abyss
agennu vb to split, to crack
ager, agerdd nm steam, vapour
agerfad (-au) nm steamboat
agerlong (-au) nf steamship, steamer
ageru vb to steam, to evaporate
agerw adj bitter, fierce
agor, agoryd vb to open, to expand
agorawd (-au) nf overture
agored adj open; liable
agorfa (-oedd) nf opening, orifice
agoriad (-au) nm opening; key
agoriadol adj opening, inaugural
agorwr (-wyr), agorydd (-ion) nm opener; agorwr tuniau can-opener
agos adj near, nigh
agosaol adj approaching
agosatrwydd nm intimacy
agosáu vb to draw near, to approach
agosrwydd nm nearness, proximity
agwedd (-au) nf form; aspect; attitude
agweddi nm dowry, marriage gift
agwrdd adj strong, mighty
angall adj unwise, foolish
angau nmf death
angel (angylion, engyl) nm angel
angen (anghenion) nm need, want; anghenion arbennig special needs
angenrheidiol adj necessary, needful
angenrheidrwydd nm necessity
angerdd nm heat; passion; force
angerddol adj ardent, intense, passionate
angerddoldeb nm vehemence, intensity
anghaffael nm mishap; defect, flaw
anghallineb nm unwisdom, imprudence
angharedig adj unkind
angharedigrwydd nm unkindness
anghelfydd adj unskilful, clumsy
anghenfil (angenfilod) nm monster
anghenraid (angenrheidiau) nm necessity
anghenus adj needy, necessitous, indigent
angheuol adj deadly, mortal, fatal
anghlod nm dispraise, dishonour
anghoelio vb to disbelieve
anghofiedig adj forgotten
anghofio vb to forget
anghofrwydd nm forgetfulness
anghofus adj forgetful, oblivious
anghred nf unbelief, infidelity
anghredadun (anghredinwyr) nm unbeliever
anghrediniaeth nf unbelief, infidelity
anghrediniol adj unbelieving
anghredu vb to disbelieve
anghrefyddol adj irreligious
anghryno adj incompact, prolix
anghwrtais adj discourteous
anghwrteisi nm discourtesy
anghydbwysedd nm imbalance
anghydfod nm disagreement, discord
Anghydffurfiaeth nf Nonconformity
Anghydffurfiwr (-wyr) nm Nonconformist
anghydnaws adj uncongenial
anghydsynio vb to dissent, to disagree
anghydweddol adj incompatible
anghyfaddas adj unsuitable, unfit
anghyfaddasu vb to disqualify
anghyfamodol adj uncovenanted
anghyfanhedd-dra nm desolation
anghyfanheddle (-aneddleoedd) nm desolate place
anghyfanheddol adj desolating; desert
anghyfannedd adj uninhabited, desert
anghyfansoddiadol adj unconstitutional
anghyfartal adj unequal, uneven
anghyfartaledd nm disparity
anghyfarwydd adj unfamiliar, unskilled
anghyfeillgar adj unfriendly
anghyfiaith adj foreign, alien
anghyfiawn adj unjust, unrighteous
anghyfiawnder nm injustice
anghyflawn adj incomplete
anghyfleus adj inconvenient
anghyfleustra (-terau) nm inconvenience
anghyflogaeth nm unemployment
anghyfnewidiol adj immutable
anghyfraith nf transgression, crime
anghyfranogol adj incommunicable
anghyfreithlon adj unlawful, illegal, illegitimate
anghyfrifol adj irresponsible
anghyffredin adj uncommon, rare
anghyffwrdd adj intangible
anghyffyrddus adj uncomfortable
anghymedrol adj immoderate
anghymen adj rash, coarse, untidy
anghymeradwy adj unacceptable
anghymeradwyo vb to disapprove
anghymesur adj inordinate
anghymharol adj incomparable
anghymharus adj ill-matched
anghymhendod nm foolishness, indelicacy, untidiness
anghymhwyso vb to unfit, to disqualify
anghymhwyster nm incapacity, disqualification
anghymodlon adj implacable
anghymwys adj unfit, unsuitable
anghynefin adj unfamiliar
anghynefindra nm unfamiliarity
anghynhyrchiol adj unproductive
anghynnes adj odious, loathsome
anghysbell adj out-of-the-way; remote
anghyson adj inconsistent
anghysondeb (-au), anghysonder (-au) nm inconsistency
anghysur (-on) nm discomfort
anghysuro vb to discomfort
anghysurus adj uncomfortable
anghytbwys adj unbalanced, lopsided
anghytgord (-iau) nm discord, dissension
anghytûn adj not agreeing, discordant
anghytundeb nm disagreement
anghytuno vb to disagree
anghywair adj ill-equipped; discordant ▶ nm disrepair
anghyweithas adj uncivil
anghywir adj incorrect, inaccurate, false
anghywirdeb (-au) nm inaccuracy, falseness
anghywrain adj unskilful; slovenly
angladd (-au) nmf burial, funeral
angladdol adj funereal
angof nm forgetfulness, oblivion
angor (-au, -ion) nm anchor
angorfa (-oedd, -feydd) nf anchorage
angori vb to anchor
angylaidd adj angelic
angyles (-au) nf female angel
ai1 adv is it? what?; ai e? is it so?
ai2 conj or; either; if
AID nm AIDS
aidd nm zeal, ardour, zest
Aifft nf: yr Aifft Egypt
aig1, eigiau nf host, shoal
aig2 nf sea, ocean
ail adj second ▶ adv a second time, again
ailadrodd vb to repeat
ailadroddiad (-au) nm repetition
ailarholiad (-au) nm resit
ailbriodi vb to remarry
aildrydanu vb to recharge
ailenedigaeth nf rebirth
aileni vb to regenerate
Ailfedyddiwr (-wyr) nm Anabaptist
ailgylchu vb to recycle ▶ n recycling
ailgynnig (ailgynigion) nm resit
ail-law adj second-hand
ail-lenwi vb to top up, to refill
ailsefyll vb to resit
aillt nm vassal, villain, slave
ais npl (nf eisen) laths; ribs
alaeth nm wailing, lamentation, grief
alaethu vb to lament
alaethus adj mournful, lamentable
alarch (-od, elyrch) nm swan
alaru vb to surfeit; to loathe
alaw (-on) nf lily; air, melody, tune
Alban nf: yr Alban Scotland
Albanwr (-wyr) nm Scot
alcali (-ïau) nm alkali
alcam nm tin
alcohol nm alcohol
alch (-au, eilch) nf grate, grill
ale (-au, -on) nf aisle; gangway; alley
algebra nm algebra
Algeraidd adj Algerian
Algeria nf Algeria
Algeriad (-iaid) nm Algerian
Almaen nf: yr Almaen Germany
Almaeneg nf German
Almaenwr (-wyr) nm German
almon nm almond
aloi (aloeon) nm alloy
Alpau npl: yr Alpau the Alps
Alzheimer nm: clefyd Alzheimer Alzheimer’s (disease)
allan adv out
allanfa nf exit
allanol adj outward, external
allblyg adj extrovert
allbrint (-iau) nm printout
allforio vb to export
allfro nf foreigner; foreign land