Heinous

(a.) Hatefully offensive or sinful; flagrant; odious; as heinous crimes; atrocious; giving great offense; -- applied to deeds or to character.

Thesaurus Entries

abhorrent, abject, abominable, arrant, atrocious, awful, bad, base, beastly, beggarly, below contempt, beneath contempt, black, blamable, blameworthy, brutal, cheesy, contemptible, criminal, crude, crummy, crying, damnable, dark, debased, degraded, deplorable, depraved, desperate, despicable, detestable, dire, dirty, disgraceful, disgusting, dreadful, egregious, enormous, evil, execrable, fetid, filthy, flagitious, flagrant, forbidding, foul, fulsome, grave, grievous, gross, hateful, horrible, horrid, ignoble, improper, infamous, iniquitous, knavish, lamentable, little, loathsome, lousy, low, low-down, lumpen, malodorous, mangy, mean, measly, mephitic, miasmal, miasmic, miserable, monstrous, nasty, naughty, nauseating, nefarious, noisome, notorious, noxious, objectionable, obnoxious, obscene, odious, offensive, outrageous, paltry, peccant, petty, pitiable, pitiful, poky, poor, rank, rebarbative, regrettable, repellent, reprehensible, reprobate, reptilian, repugnant, repulsive, revolting, rotten, sad, scabby, scandalous, schlock, scrubby, scruffy, scummy, scurvy, shabby, shameful, shocking, shoddy, sickening, sinful, small, sordid, squalid, stinking, terrible, too bad, unclean, unforgivable, unmentionable, unpardonable, unspeakable, unworthy, vicious, vile, villainous, wicked, woeful, worst, worthless, wretched, wrong