From Longman Dictionary of Contemporary EnglishRelated topics: Illness & disabilitybiliousbil‧i‧ous /ˈbɪliəs/ adjective1MIfeeling as if you might vomitShe felt a bilious attack coming on.2very unpleasantbilious green walls3BAD-TEMPERED literarybad-tempered —biliousness noun [uncountable]Examples from the Corpusbilious• Her mouth was filled with biliousacids that her stomach had sent up in sympathy.• After all, it was only a bilious attack ... uncomfortable at the time, but it soon passed.• We are told it was a bilious attack which had forced Désirée to take to her bed instead of the boards.• One bilious attack would have been passed over as something that could happen to anyone; but two arousedsuspicion.• On Monday the endless time to fill suddenly collapsed, for Mrs Dummett developed a violentbilious attack.• Lianas writhed towards the light from biliousdecayingdepths.• a biliousgreencolor• That warlock was a bloated, hornedhermaphroditedraped in bilious green skin.Originbilious(1500-1600)Frenchbilieux, from Latinbiliosus, from bilis; → BILE