| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | demonic |
| Synonyms: | crazed, cruel, devilish, diabolic, diabolical, evil, fiendish, frenetic, hellish, infernal, mad, maniacal, possessed, unhallowed, vicious, wicked |
| Main Entry: | devilish |
| Part of Speech: | adjective |
| Definition: | wicked |
| Synonyms: | Mephistophelian, accursed, atrocious, bad, brutish, cloven-footed, cursed, damnable, demoniac, demonic, detestable, diabolic, diabolical, evil, execrable, fiendish, hellborn, hellish, infernal, inhuman, iniquitous, nefarious, satanic, serpentine, unhallowed, villainous |
| Antonyms: | angelic, godlike, good, moral |
| Main Entry: | diabolic |
| Part of Speech: | adjective |
| Definition: | evil, fiendish |
| Synonyms: | Mephistophelian, atrocious, cruel, damnable, demoniac, demonic, devilish, hellish, impious, infernal, monstrous, nasty, nefarious, satanic, serpentine, shocking, unhallowed, unpleasant, vicious, vile, villainous, wicked |
| Antonyms: | gentle, kind, moral, nice |
| Main Entry: | fiendish |
| Part of Speech: | adjective |
| Definition: | diabolical |
| Synonyms: | atrocious, beastly, brutish, cruel, demonic, demonical, devilish, diabolic, evil, hellish, inhuman, malicious, nefarious, sadistic, satanic, savage, vicious, wicked |
| Main Entry: | hellish |
| Part of Speech: | adjective |
| Definition: | fiendish; unpleasant |
| Synonyms: | abominable, accursed, atrocious, barbarous, cruel, damnable, damned, demonic, devilish, diabolical, horrible, infernal, monstrous, nefarious, satanic, terrible, vicious, wicked |
| Main Entry: | impious |
| Part of Speech: | adjective |
| Definition: | not religious |
| Synonyms: | agnostic, apostate, atheistic, blasphemous, canting, contrary, deceitful, defiling, desecrating, desecrative, diabolic, disobedient, disrespectful, godless, hardened, hypocritical, iconoclastic, immoral, iniquitous, irreligious, irreverent, perverted, pietistical, profane, recusant, reprobate, sacrilegious, sanctimonious, satanic, scandalous, sinful, unctuous, undutiful, unethical, unfaithful, ungodly, unhallowed, unholy, unregenerate, unrighteous, unsanctified, wayward, wicked |
| Antonyms: | holy, pious, religious |
| Main Entry: | infernal |
| Part of Speech: | adjective |
| Definition: | damned; underworld |
| Synonyms: | accursed, blamed, blasted, chthonian, confounded, cursed, cussed, damnable, demonic, devilish, diabolical, execrable, fiendish, hellish, lower, malevolent, malicious, monstrous, nether, satanic, subterranean, sulphurous, wicked |
| Antonyms: | heavenly, otherworldly |
| Main Entry: | monstrous |
| Part of Speech: | adjective |
| Definition: | unnatural, shocking |
| Synonyms: | aberrant, abnormal, atrocious, cruel, desperate, devilish, diabolical, disgraceful, dreadful, egregious, evil, fiendish, flagitious, foul, freakish, frightful, grotesque, gruesome, heinous, hellish, hideous, horrendous, horrible, horrifying, infamous, inhuman, intolerable, loathsome, macabre, miscreated, morbid, obscene, odious, ominous, outrageous, preposterous, rank, satanic, scandalous, teratoid, terrible, uncanny, unusual, vicious, villainous |
| Antonyms: | average, common, expected, natural, ordinary, standard |
| Main Entry: | pitiless |
| Part of Speech: | adjective |
| Definition: | without mercy or care |
| Synonyms: | austere, barbarous, brutal, callous, cold*, coldblooded, coldhearted, cruel, cutthroat, dog-eat-dog, frigid, hardhearted, harsh, hatchetjob, heartless, implacable, indifferent, inexorable, inhuman, inhumane, insensible, killer instinct, mean, merciless, obdurate, relentless, remorseless, ruthless, satanic, savage, soulless, stony |
| Antonyms: | charitable, kind, merciful, sympathetic |