repugnant(s = adj.all) abhorrent, detestable, obscene, repulsive - offensive to the mind; "an abhorrent deed"; "the obscene massacre at Wounded Knee"; "morally repugnant customs"; "repulsive behavior"; "the most repulsive character in recent novels"
Derived form noun repugnance₁

   Disposed to fight against; hostile; at war with; being at variance; contrary; inconsistent; refractory; disobedient; also, distasteful in a high degree; offensive; -- usually followed by to, rarely and less properly by with; as, all rudeness was repugnant to her nature. [1913 Webster]
"[His sword] repugnant to command." [1913 Webster]
"There is no breach of a divine law but is more or less repugnant unto the will of the Lawgiver, God himself." [1913 Webster]

repugnant, adj.
1 (often foll. by to) extremely distasteful.
2 (often foll. by to) contradictory.
3 (often foll. by with) incompatible.
4 poet. refractory; resisting.

Derivative:
repugnantly adv.

Etymology:
ME f. F r{eacute}pugnant or L (as REPUGNANCE)

N  unwillingness, indisposition, indisposedness, disinclination, aversation, nolleity, nolition, renitence, renitency, reluctance, indifference, backwardness, slowness, want of alacrity, want of readiness, indocility, scrupulousness, scrupulosity, qualms of conscience, twinge of conscience, delicacy, demur, scruple, qualm, shrinking, recoil, hesitation, fastidiousness, averseness, dissent, refusal, unwilling, not in the vein, loth, loath, shy of, disinclined, indisposed, averse, reluctant, not content, adverse, laggard, backward, remiss, slack, slow to, indifferent, scrupulous, squeamish, repugnant, restiff, restive, demurring, unconsenting, involuntary, unwillingly, grudgingly, with a heavy heart, with a bad, with an ill grace, against one's wishes, against one's will, against the grain, sore against one's wishes, sore against one's will, sore against one's grain, invita Minerva, a contre caeur, malgre soi, in spite of one's teeth, in spite of oneself, nolens volens, perforce, under protest, no, not for the world, far be it from me.

N  dissuasion, dehortation, expostulation, remonstrance, deprecation, discouragement, damper, wet blanket, disillusionment, disenchantment, cohibition, curb, check, reluctance, contraindication, dissuading, dissuasive, dehortatory, expostulatory, monitive, monitory, dissuaded, admonitory, uninduced &c (induce), unpersuadable, averse, repugnant, repressed.

N  disagreement, discord, discordance, dissonance, dissidence, discrepancy, unconformity, incongruity, incongruence, discongruity, mesalliance, jarring, dissension, conflict, bickering, clashing, misunderstanding, wrangle, disparity, mismatch, disproportion, dissimilitude, inequality, disproportionateness, variance, divergence, repugnance, unfitness, inaptitude, impropriety, inapplicability, inconsistency, inconcinnity, irrelevancy, misjoining, misjoinder, syncretism, intrusion, interference, concordia discors, fish out of water, disagreeing, discordant, discrepant, at variance, at war, hostile, antagonistic, repugnant, incompatible, irreconcilable, inconsistent with, unconformable, exceptional, intrusive, incongruous, disproportionate, disproportionated, inharmonious, unharmonious, inconsonant, unconsonant, divergent, repugnant to, inapt, unapt, inappropriate, improper, unsuited, unsuitable, inapplicable, not to the point, unfit, unfitting, unbefitting, unbecoming, illtimed, unseasonable, mal a propos, inadmissible, inapposite, uncongenial, ill-assorted, ill-sorted, mismatched, misjoined, misplaced, misclassified, unaccommodating, irreducible, incommensurable, uncommensurable, unsympathetic, out of character, out of keeping, out of proportion, out of joint, out of tune, out of place, out of season, out of its element, at odds with, at variance with, in defiance, in contempt, in spite of, discordantly, a tort et a travers, asinus ad lyram.

N  ugliness, deformity, inelegance, acomia, disfigurement, want of symmetry, inconcinnity, distortion, squalor, forbidding countenance, vinegar aspect, hanging look, wry face, spretae injuria formae, eyesore, object, witch, hag, figure, sight, fright, monster, dog, woofer, pig, octopus, specter, scarecrow, harridan, satyr, toad, monkey, baboon, Caliban, Aesop, monstrum horrendum informe ingens cui lumen adempt, ugly, ugly as sin, ugly as a toad, ugly as a scarecrow, ugly as a dead monkey, plain, bald (unadorned), homely, ordinary, unornamental, inartistic, unsightly, unseemly, uncomely, unlovely, unshapely, sightless, seemless, not fit to be seen, unbeauteous, unbeautiful, beautiless, semibeautiful, shapeless, misshapen, misproportioned, monstrous, gaunt, dumpy, curtailed of its fair proportions, ill-made, ill- shaped, ill-proportioned, crooked, hard featured, hard visaged, ill-favored, hard-favored, evil-favored, ill-looking, unprepossessing, unattractive, uninviting, unpleasing, graceless, inelegant, ungraceful, ungainly, uncouth, stiff, rugged, rough, gross, rude, awkward, clumsy, slouching, rickety, gawky, lumping, lumpish, lumbering, hulky, hulking, unwieldy, squalid, haggard, grim, grim faced, grim visaged, grisly, ghastly, ghost like, death like, cadaverous, grewsome, gruesome, frightful, hideous, odious, uncanny, forbidding, repellant, repulsive, repugnant, grotesque, bizarre, grody, grody to the max, horrid, horrible, shocking, foul, dingy, gaudy, disfigured, discolored.

N  dislike, distaste, disrelish, disinclination, displacency, reluctance, backwardness, repugnance, disgust, queasiness, turn, nausea, loathing, averseness, aversation, aversion, abomination, antipathy, abhorrence, horror, mortal antipathy, rooted antipathy, mortal horror, rooted horror, hatred, detestation, hate, animosity, hydrophobia, canine madness, byssa, xenophobia, sickener, gall and wormwood, shuddering, cold sweat, disliking, averse from, loathe, loathe to, loth, adverse, shy of, sick of, out of conceit with, disinclined, heartsick, dogsick, queasy, disliked, uncared for, unpopular, out of favor, repulsive, repugnant, repellant, abhorrent, insufferable, fulsome, nauseous, loathsome, loathful, offensive, disgusting, disagreeable c, (painful), usque ad nauseam, Int, faugh!, foh!, ugh!, non libet.