Bilious (adjective)

Relating to or suffering from an excess of bile, especially in the stomach; peevish, irritable, or ill-tempered.

Origin:

From latin bilis ("bile") + -ous.

Examples:

1. The patient was diagnosed with bilious attacks.
2. The bilious green color of the paint made the room feel gloomy.
3. She was feeling bilious after eating too much junk food.
4. He was in a bilious mood and snapped at everyone who approached him.
5. The bilious expression on her face made it clear she wasn't in the mood for conversation.