bilious - Dictionary definition and meaning for word bilious
bili-ili-ill..so it resembles ill in bile,ie stomach.
Note that many of the words with roots from body organs mean irritable. Examples: splenetic, spleen, bilious, atrabilious, dyspeptic, livery, and liverish.
remeber it from biles which is disease of liver; so a person having biles will always be irritated.
bilious can be compared with bile which is produced by liver.
BILE juice is used for digestion...