Synonyms of repugnant

1 Syllable
foul, vile
2 Syllables
piller, odious, heeler, foreign, scuzzy, creepy, evil, against, naysaying, coner, fetid, horrid, ugliest, uglier, nastier, viler, porno, agin, yucky, vilest, counter, seasick, hideous, nasty, yecchy, nastiest, ugly, skanky, nauseous, flip-side
3 Syllables
loathsome, gruesome, unstirred, opposed, averse, obscene, conflicting, extraneous, dissentient, unpitying, sickening, revolting, repellent, nauseating, obnoxious, noisome, flipside, alien, disgusting, different, unfriendly, oppugnant, invidious, sleazeball, extrinsic, hateful, hateable, abhorrent, adverse, bad-looking, unfitted
4 Syllables
detestable, disagreeable, aversive, unsimilar, unalike, unalluring, antithetic, unspeakable, negative, ill-disposed, revulsive, offensive, detractory, dislikable, distasteful, unlikable, inconsonant, unsavory, hard-featured, unbeautiful, privative, scatologic, inimical, violative, opposite, inconsistent
5 Syllables
unsympathetic, antagonistic, undescribable, antipathetic, incompatible, contradictory, unacceptable, unconformable, abominable, inexpressible, indefinable, undesirable, objectionable, unattractive, unprepossessing, unutterable
6 Syllables
uncompassionate, unaffirmative, unassimilable, incommunicable