| noun | an inhabitant of Hell “his roar made the infernals quake” |
| adjective | characteristic of or resembling Hell “infernal noise” |
| adjective | extremely evil or cruel; expressive of cruelty or befitting hell “something demonic in him--something that could be cruel” |
| adjective | expletives used informally as intensifiers “he's a blasted idiot” |
| adjective | of or pertaining to or characteristic of a very uncontrolled and intense fire “infernal heat” |
| adjective | being of the underworld “infernal regions” |
| Inferno | noun | (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment; - John Milton; ; -Dr. Johnson |
| inferno | noun | any place of pain and turmoil |
| demon | noun | a cruel wicked and inhuman person |
| devil | noun | a cruel wicked and inhuman person |
| unholiness | noun | the quality of being unholy |
| damned | noun | people who are condemned to eternal punishment |