— infernality , n. — infernally , adv.
/in ferr"nl/ , adj.
1. hellish; fiendish; diabolical: an infernal plot.
2. extremely troublesome, annoying, etc.; outrageous: an infernal nuisance.
3. of, inhabiting, or befitting hell.
4. Class. Myth. of or pertaining to the underworld.
[ 1325-75; ME infernalis, equiv. to L infern ( us ) situated below, of the underworld (see INFERIOR) + -alis -AL 1 ]
Syn. 2. devilish, cursed, monstrous.