Definitions
1.nounAn inhabitant of the infernal regions.
2.adjectiveOf or relating to hell, or the world of the dead; hellish.
3.adjective(by extension) Of or relating to a fire or inferno.
4.adjectiveStygian, gloomy.
5.adjectiveDiabolical or fiendish.
6.adjective(as an expletive, not vulgar) Very annoying; damned.