/ Thesaurus / B Synonyms of black bile Find synonyms for: Noun1. black bile, melancholy, liquid body substance, bodily fluid, body fluid, humor, humourusage: a humor that was once believed to be secreted by the kidneys or spleen and to cause sadness and melancholyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language