allfudwr (-wyr) nm emigrant
allgarwch nm altruism
allgofnodi vb to log off, to log out
allor (-au) nf altar
allt (elltydd) nf hill; cliff; wood
alltud (-ion) nm alien; exile
alltudiaeth nf banishment, exile
alltudio vb to banish, to exile
allwedd (-au, -i) nf key, clef (in music)
allweddell nf keyboard
am1 prep round, about; for; at; on ▶ conj for, because; so long as
am2 see ym
amaeth nm husbandman; agriculture
amaethdy (-dai) nm farm-house
amaethu vb to farm, to till
amaethwr (-wyr) nm farmer
amaethwraig nf farm-wife
amaethyddiaeth nf agriculture
amaethyddol adj agricultural
amarch nm disrespect, dishonour
amau vb to doubt, to suspect ▶ nm (-heuon) doubt
ambell adj occasional; ambell waith sometimes
amcan (-ion) nm purpose, aim; guess; ar amcan at random, approximately, at a guess
amcangyfrif vb to estimate ▶ nm (-on) estimate
amcanu vb to purpose; to aim; to guess
amdo (-oeau) nm shroud, winding-sheet
amdoi vb to shroud, to enshroud
amdorch (-dyrch) nf chaplet, wreath
amddifad adj destitute, orphan
amddifadrwydd nm destitution, privation
amddifadu vb to bereave, to deprive
amddifaty (-tai) nm orphanage
amddifedi nm destitution, privation
amddiffyn vb to defend, to protect, to shield ▶ nm (addiffynion) defence
amddiffynfa (-feydd) nf fortress
amddiffyniad nm protection, defence
amddiffynnwr (-wyr), amddiffynyddion nm defender, protector
amddyfrwys adj mighty, rugged; marshy
America Ladin nf Latin America
Amerig nf: yr Amerig America
amfesur (-au) nm perimeter
amgáu vb to enclose, to shut in
amgen adj, adv other, else, otherwise; different; nid amgen that is to say, namely
amgenach adj, adv otherwise; better
amgueddfa (-feydd) nf museum
amgyffred vb to comprehend, to comprise ▶ nm (-ion) comprehension
amgyffrediad nm comprehension
amgylch (-oedd) nm circuit; environs, surroundings; o (oddi) amgylch round about, about
amgylchedd nm circumference; environment
amgylcheddol adj environmental; yn amgylcheddol environmentally; amgylcheddol garedig environmentally friendly
amgylchfyd nm environment
amgylchiad (-au) nm circumstance; occasion
amgylchiadol adj circumstantial
amgylchu vb to surround
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