Pronunciation: (hel'ish), [key]
1. of, like, or suitable to hell; infernal; vile; horrible: It was a hellish war.
2. miserable; abominable; execrable: We had a hellish time getting through traffic.
3. devilishly bad: The child's behavior was hellish most of the day.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.