Pronunciation: (bil'yus), [key]
1. Physiol., Pathol.pertaining to bile or to an excess secretion of bile.
2. Pathol.suffering from, caused by, or attended by trouble with the bile or liver.
3. peevish; irritable; cranky.
4. extremely unpleasant or distasteful: a long scarf of bright, bilious green.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.