infernal

Meanings

1. 1
   adj

   being of the underworld

   infernal regions

2. 2
   adj

   characteristic of or resembling Hell

   infernal noise

3. 3
   adj

   of or pertaining to or characteristic of a very uncontrolled and intense fire

   infernal heat

4. 4
   noun

   an inhabitant of Hell

   Their roars made the infernals quake.

5. 5
   adj

   Of or relating to hell, or the world of the dead; hellish.

   He proffered a pact to Satan, calling upon the Fiend and working himself into a frenzy - but his infernal majesty failed to respond.

6. 6
   adj

   Diabolical or fiendish.

   Th' infernal Serpent; he it was, whose guile Stird up with Envy and Revenge, deceiv'd The Mother of Mankind

7. 7
   adj

   Very annoying; damned.

   As I had to put up with the patronage and the lecturings, and the eyeglass of that infernal old woman, […]

8. 8
   adj

   expletives used informally as intensifiers

Etymology

From Middle French infernal, from Medieval Latin infernalis, from Latin īnfernus, from īnferum (“netherworld, underworld, hell”), equivalent to inferno + -al.