or at·ra·bil·iar

[ a-truh-bil-yuh s ]
/ ˌæ trəˈbɪl yəs /


gloomy; morose; melancholy; morbid.
irritable; bad-tempered; splenetic.


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Origin of atrabilious

1645–55; < Latin ātra bīli(s) black bile + -ous

OTHER WORDS FROM atrabilious

at·ra·bil·ious·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for atrabilious

British Dictionary definitions for atrabilious



/ (ˌætrəˈbɪljəs) /


rare irritable

Derived forms of atrabilious

atrabiliousness, 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