English - Welsh Dictionary

 I - fi
 I am engaged - ydw i wedi dyweddio
 I hope - gobeithio
 I must - rhaid i
 I need - mae arna i angen
 I wonder - sgwn i, tybed
 idea - syniad
 ideal - delfryd, delfrydol
 idle - ofer, segur
 if - ai, os
 if ever there was one - os bu un erioed
 if you wish - os mynnwch
 ignorance - anwybodaeth
 ignore - anwybyddu
 ill - gwael, tost, s�l
 ill-gotten gains - budur-elw
 illegal - anghyfreithlon
 illegible - annarllenadwy
 illegitimate children - plant siawns
 illness - afiechyd
 I'm sorry - mae ddrwg gyda fi
 image - delwedd
 imagination - dyfais
 imagine - dyfalu, dychmygu, tybio
 imitate - dynwared
 immature - anaeddfed
 immeasurable - yn ddifesur
 immediately - union
 immerse - trochi
 immoral - anfoesol
 immorality - anfoesoldeb
 immortal - anfarwol
 immune - anheintus
 imperfect - amherffaith
 impersonal - amhersonol
 impetuous - byrbwyll
 importance - pwys, pwysigrwydd
 important - pwysig
 impose - gorfodi
 impossible - amhosibl, amhosib
 impractical - anymarferol
 impression - argraff
 improbable - annhebygol
 improve - gwella
 improvement - gwellhad
 in a mess - yn gawl
 in all likelihood - yn �l pob tebyg
 in case you - rhag iti
 in connection with - yngl^yn �
 in existence - i fodolaeth
 in front of - o flaen
 in good taste - chwaethus
 in order to - i
 in succession - yn olynol
 in tatters - yn yfflon
 in the same way - yn yr un modd
 in their wake - i'w canlyn
 in vain - yn ofer
 inborn - cynhenid
 incite - annog
 include - cynnwys
 incomprehensible - annealladwy
 inconsistent - anghyson
 inconvenient - anghyfleus
 increase - amlhau, cynyddu
 increasing - cynyddol
 incredible - anhygoel
 indecent - anweddus
 indeed - yn wir
 indefinite - amhendant
 independent - annibynnol
 indicate - arwyddoc�u
 indifferent - difraw
 indigestion - diffyg treuliad
 indignation - soriant
 indirect - anuniongyrchol
 ineffectual - aneffeithiol
 inertia - trymedd
 inevitable - anochel, anorfod
 inexplicable - anesboniadwy
 infect - heintio
 infectious - heintus
 infer - casglu
 inferior - is-raddol
 inflame - ennyn
 inflamed - enynnol
 inflammation - llid
 influence - dylanwad
 influential - dylanwadol
 inform - hysbysu
 infrequent - anaml
 infringe - diddymu
 inhabitant - preswylydd
 inhabitants - trigolion
 inheritance - dreftadaeth, etifeddiaeth
 initial - cychwynnol
 injure - anafu
 injury - niwed, anaf
 injustice - anghyfiawnder
 inn - tafarn
 innocently - yn ddiniwed
 inquire - holi
 insatiable - anniwall
 insect - pryf
 inside - i mewn
 insinuate - ensynio
 insinuation - ensyniad
 insist - mynnu
 inspect - archwilio
 instead of - yn lle
 instructions - cyfarwyddiadau
 instrument - ermyg, teclyn
 intend - amcanu, bwriadu
 intended - darpar
 intention - amcan, bwriad
 intercourse - cnwch
 interest - diddordeb
 interesting - diddorol
 interfere - ymyrryd
 interjection - ebychiad
 intermarry - cydbriodi
 international - rhyngwladol
 interpret - dehongli
 interpretation - dehongliad
 interrogation - holiad
 interrupt - torri ar draws
 interview - cyfweld
 into - i mewn i
 intoxicating - yn feddwol
 introduce - rhagarwain
 introduction - cyflwyniad
 introvert - mewnblyg
 invention - dyfais
 investigation - archwiliad, ymchwiliad
 invitation - gwahoddiad
 invite - gwadd
 invoice - anfoneb
 Ireland - Iwerddon
 Irish - Gwyddeleg
 Irishman - Gwyddel
 irresponsible - anghyfrifol
 irrigate - dyfrhau
 irrigation - dyfrhad
 irritation - enyniad
 is not - onid
 it - ef
 it seems - mae'n debyg
 itching to - ysu am
 ivory - morfil
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This dictionary is dedicated to the memory of Emrys Rees of Carmarthen (1918 - 2006).

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