biliousness n gastric distress caused by a disorder of the liver or gall bladder n a disposition to exhibit uncontrolled anger Usage(s) But now our (my) patience has been rewarded, our (my) biliousness calmed. His elders scoffed at him, said he was making a great fuss over ordinary "biliousness," or influenza. Consumer resistance to high prices was the chief cause of the biliousness. Synonym(s) temper irritability peevishness pettishness snappishness surliness