adj. 25B6; adjective
outrageous acts of cruelty : SHOCKING, disgraceful, scandalous, atrocious, appalling, monstrous, heinous; evil, wicked, abominable, terrible, horrendous, dreadful, foul, nauseating, sickening, vile, nasty, odious, loathsome, unspeakable; Brit. informal beastly.
the politician's outrageous promises : FAR-FETCHED, (highly) unlikely, doubtful, dubious, questionable, implausible, unconvincing, unbelievable, incredible, preposterous, extravagant, excessive.
outrageous clothes : EYE-CATCHING, flamboyant, showy, gaudy, ostentatious; shameless, brazen, shocking; informal saucy, flashy.