Dictionary
hel•la•cious
Pronunciation: (he-lā'shus), [key]—
adj. Slang.
1. remarkable; astonishing:
They're raising a hellacious amount of money in taxes.
2. formidably difficult:
We had a hellacious time getting here in the blizzard. Also,hel•la'ceous.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.