| Main Entry: | |
| 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: | demonic |
| Part of Speech: | adjective |
| Definition: | evil |
| Synonyms: | aroused, bad, crazed, demoniac, demoniacal, devilish, diabolic, diabolical, fiendish, fired, frantic, frenetic, frenzied, hellish, impious, infernal, insane, inspired, mad, maniacal, manic, possessed, satanic, serpentine, unhallowed, violent, wicked |
| 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: | elfin |
| Part of Speech: | adjective |
| Definition: | mischievous; small |
| Synonyms: | delicate, devilish, disobedient, elfish, frolicsome, impish, little, minute, misbehaving, naughty, petite, playful, prankish, puckish, puny, rascally, slight, sprightly, tiny |
| 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: | ghoulish |
| Part of Speech: | adjective |
| Definition: | hideous, scary |
| Synonyms: | cruel, demonic, devilish, diabolical, eerie, fiendish, frightening, ghastly, grim, grisly, gruesome, horrible, macabre, monstrous, morbid, revolting, spine-chilling, spooky, terrifying |
| 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: | impish |
| Part of Speech: | adjective |
| Definition: | mischievous |
| Synonyms: | casual, devil-may-care, devilish, elfin, elvish, fiendish, flippant, free and easy, fresh, frolicsome, giddy, jaunty, naughty, offhand, pert, pixieish, playful, prankish, puckish, rascally, saucy*, sportive, waggish |
| Antonyms: | behaved, subdued, unmischievous |
| 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 |