or at·ra·bil·iar

[a-truh-bil-yuh s]
See more synonyms for atrabilious on

Origin of atrabilious

1645–55; < Latin ātra bīli(s) black bile + -ous
Related formsat·ra·bil·ious·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for atrabilious

Historical Examples of atrabilious

British Dictionary definitions for atrabilious



  1. rare irritable
Derived Formsatrabiliousness, noun

Word Origin for atrabilious

C17: from Latin ātra bīlis black bile, from āter black + bīlis bile 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for atrabilious

1650s, from Latin atra bilis, translating Greek melankholia "black bile" (see melancholy; also cf. bile). Atra is fem. of ater "black, dark, gloomy," perhaps related to root of atrocity. Related: Atrabiliousness.

Online Etymology Dictionary, © 2010 Douglas Harper