bile Syllabification: (bile)Pronunciation: /bīl/Translate bile | into Italian Definition of bile noun 1a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder. 2anger; irritability:that topic is sure to stir up plenty of bileOrigin: mid 16th century: from French, from Latin bilisbile in other Oxford dictionaries Definition of bile in the British & World English dictionary