Disordered in respect to the bile; troubled with an excess of bile; as, a bilious patient; dependent on, or characterized by, an excess of bile; as, bilious symptoms
Bilious is sometimes used to describe the feelings or behaviour of someone who is extremely angry or bad-tempered. His speech was a bilious, rancorous attack on young people
suffering from or suggesting a liver disorder or gastric distress relating to or containing bile
If you feel bilious, you feel sick and have a headache. She is suffering a bilious attack
disapproval If someone describes the appearance of something as bilious, they mean that they think it looks unpleasant and rather disgusting. a bilious shade of green