abnormal, absurd, anomalous, antagonistic, antipathetic, antithetic, assorted, at cross-purposes, at loggerheads, at odds, at variance, at war, autistic, bashful, chill, chilly, clashing, close, cold, conflicting, contradictory, contrary, contrasted, contrasting, cool, cranky, cross, departing, deviating, deviative, different, differentiated, differing, disaccordant, disagreeable, disagreeing, disconsonant, discordant, discrepant, discrete, discriminated, disharmonious, disjoined, disparate, disproportionate, dissident, dissimilar, dissociable, dissonant, distinct, distinguished, divergent, diverging, divers, diverse, diversified, frosty, grating, heterogeneous, hostile, icy, immiscible, in disagreement, inaccordant, incoherent, incommensurable, incommensurate, incongruous, inconsequent, inconsistent, inconsonant, inharmonious, inhospitable, inimical, insociable, irreconcilable, jangling, jarring, many, mismatched, mopey, mopish, morose, motley, multifarious, negative, nongregarious, opposed, opposite, out of accord, out of proportion, out of whack, oxymoronic, paradoxical, poles apart, poles asunder, repugnant, self-contained, self-contradictory, self-sufficient, separate, separated, several, snug, socially incompatible
, strained, sullen, tense, unamiable, unamicable, unclubbable, uncommunicative, uncompanionable, unconformable, uncongenial, uncordial, unequal, unfriendly, ungenial, unharmonious, unlike, unsociable, unsocial, unsuited, variant, varied, variegated, various, varying, widely apart, worlds apart
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.
impossibility, what cannot, what can never be, sour grapes, hopelessness, impossible, not possible, absurd, contrary to reason, unlikely, unreasonable, incredible, beyond the bounds of reason, beyond the bounds of possibility, beyond the realm of possibility, from which reason recoils, visionary, inconceivable, prodigious, unimaginable, inimaginable, unthinkable, impracticable unachievable, unfeasible, infeasible, insuperable, unsurmountable, insurmountable, unattainable, unobtainable, out of reach, out of the question, not to be had, not to be thought of, beyond control, desperate, incompatible
, inaccessible, uncomeatable, impassable, impervious, innavigable, inextricable, self- contradictory, out of one's power, beyond one's power, beyond one's depth, beyond one's reach, beyond one's grasp, too much for, ultra crepidam, the grapes are sour, non possumus, non nostrum tantas componere lites, look for a needle in a haystack, chercher une aiguille dans une botte de foin, il a le mer +a boire.