infernal
adjective
1. characteristic of or resembling Hell
- infernal noise
- infernal punishment
2. extremely evil or cruel; expressive of cruelty or befitting hell
- infernal instruments of war
Similar word(s): evil, demonic, diabolic, diabolical, fiendish, hellish, satanic, unholy
3. expletives used informally as intensifiers
- an infernal nuisance
Similar word(s): cursed, curst, blame, blamed, blasted, blessed, damn, damned, darned, deuced, goddam
4. of or pertaining to or characteristic of a very uncontrolled and intense fire
- infernal heat
5. being of the underworld
- infernal regions
Similar word(s): evil, chthonian, chthonic, nether, hadean, plutonian, tartarean, stygian