- devilish
- adj1. diabolic, diabolical, fiendish, ghoulish; satanic, Mephistophelian, demonic, demoni-an, demoniac, demoniacal, cacodemonic; infernal, hellish.2. damnable, accursed, execrable, abominable, horrible, horrid, hideous, monstrous, atrocious; base, vile, odious, obnoxious, villainous, sinister; wicked, iniquitous, evil, sinful, impious, Obs. scelerous, blackhearted, corrupt, depraved, Archaic. facinorous; reprobate, nefarious, flagitious, heinous; profligate, immoral, dissolute, vitiated, perverted, perverse; pestilential, malevolent, malicious, malign, maleficent, venomous, virulent; dire, black, dreadful, baleful.3. merciless, heartless, hard-hearted, stony-hearted, unkind, unfeeling, cruel; relentless, unrelenting, unsparing, remorseless.4. impish, mischievous, elfish, prankish; vexatious, troublesome, naughty, annoying.
A Note on the Style of the synonym finder. 2014.