- infernal
- adj1.Class. Myth.Hadean, Plutonian, Plutonic, Stygian, Styxian, Tartarean, Acherontal, Cocytean, Phlegethontal, Avernal; pandemoniac, chthonian, chthonic.2. diabolical, fiendish, ghoulish, hellish, hellborn; demonic, demoniac, demoniacal, devilish, satanic, Mephistophelian.3. nefarious, flagitious, heinous, infamous, unspeakable; wicked, iniquitous, evil, sinful; odious, obnoxious, villainous, Obs. scelerous, depraved, corrupt, Archaic. facinorous; ungodly, godless, impious, unholy; base, vile, sinister, dark, dire, black, dreadful, baleful; damnable, execrable, abominable, horrible, horrid, horrendous, hideous, monstrous, atrocious, accursed; pestilential, malevolent, malicious, malign, maleficent, malefic.4. outrageous, flagrant, Inf. flaming; excessive, great, enormous.
A Note on the Style of the synonym finder. 2014.