hei·nous /'hā-nəs/ adj: enormously and shockingly evila heinous crimehei·nous·ly advhei·nous·ness n
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.
abhorrent, abominable, arrant, atrocious, awful, bad, baleful, baneful, base, beastly, black, confounded, contemptible, damnable, deplorable, despicable, detestabilis, detestable, devilish, diabolic, dire, disgraceful, disgusting, distasteful, dreadful, egregious, evil, execrable, facinorous, flagitious, flagrant, foul, fulsome, ghastly, gross, hateful, hellish, horrendous, horrible, horrid, infamous, infernal, iniquitous, invidious, loathsome, low, malefic, mean, monstrous, nafarius, nasty, nefandus, nefarious, noisome, objectionable, obnoxious, odious, offensive, opprobrious, outrageous, pernicious, reprehensible, reptilian, repugnant, revolting, rotten, satanic, shameful, shocking, sickening, sinister, terrible, unprincipled, vicious, vile, villainous, wicked, wretched, wrong
associated concepts: heinous crime
arrant (onerous), bad (offensive), base (bad), blameful, contemptible, depraved, diabolic, disgraceful, disorderly, disreputable, gross (flagrant), immoral, inexcusable, inexpiable, iniquitous, loathsome, malevolent, malignant, nefarious, objectionable, obnoxious, odious, offensive (offending), outrageous, peccant (culpable), profligate (corrupt), reprehensible, reprobate, scandalous, sinister, unjust, vicious
Burton's Legal Thesaurus. William C. Burton. 2006