adjective bil·ious \ˈbil-yəs\

: having or causing a sick feeling in the stomach : feeling or causing nausea

: angry or bad-tempered

: very unpleasant to look at

Full Definition of BILIOUS

a :  of or relating to bile
b :  marked by or suffering from liver dysfunction and especially excessive secretion of bile
c :  appearing as if affected by a bilious disorder
:  of or indicative of a peevish ill-natured disposition
:  sickeningly unpleasant <with clapboards painted red and bilious yellow — Sinclair Lewis>
bil·ious·ly adverb
bil·ious·ness noun

Examples of BILIOUS

  1. <a bilious old dog who snaps at everyone>

Origin of BILIOUS

Middle French bilieux, from Latin biliosus, from bilis
First Known Use: 1541
Medical Dictionary


adjective bil·ious \ˈbil-yəs\

Medical Definition of BILIOUS

:  of or relating to bile
:  marked by or affected with disordered liver function and especially excessive secretion of bile
bil·ious·ness noun


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