insupportable

1 more than can be put up with the insupportable arrogance of that jerk is more than anyone should have to bear Synonyms insufferable, unbearable, intolerable, unendurable, unsupportableRelated Words unacceptable; crushing, overwhelming; comfortless, hard, harsh, painful, uncomfortable; appalling, dreadful, excruciating, gruesome (also grewsome), harrowing, horrendous, horrible, horrid, horrifying, nightmarish, shocking, terrible, tormenting, torturous, vile, wretched; acute, extreme, intense, piercing; disgusting, distasteful, loathsome, nauseating, obnoxious, offensive, repugnant, repulsive, revolting, sickening; heinous, noxious, odious, unspeakableNear Antonyms livable (also liveable); acceptable; adequate, admissible, allowable, reasonable, satisfactoryAntonyms endurable, sufferable, supportable, sustainable, tolerable

2 too bad to be excused or justified the organization's racist views have been denounced as morally insupportable Synonyms indefensible, inexpiable, inexcusable, unforgivable, unjustifiable, unpardonable, unwarrantableRelated Words insufferable, intolerable, unbearable, unendurable; abominable, atrocious, heinous, monstrous, outrageous, scandalous, shocking; egregious, flagrant, glaring, gross, rank; unacceptable, untenable; black, evil, iniquitous, vicious, wicked; base, contemptible, deplorable, despicable, dirty, execrable, ignoble, reprobate, vile, wretched; cruel, nasty; blamable, blameworthy, censurable, reprehensible; banned, barred, condemned, disallowed, forbidden, interdicted, outlawed, prohibited, proscribedNear Antonyms acceptable, tolerable; authorized, legal, permissible; allowed, permitted, tolerated; approved, endorsed (also indorsed), sanctioned; abetted, encouraged, promoted, supported; ethical, good, moral, virtuousAntonyms defensible, excusable, forgivable, justifiable, pardonable, venial