[fyoo-lij-uh-nuh s]
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  1. sooty; smoky: the fuliginous air hanging over an industrial city.
  2. of the color of soot, as dark gray, dull brown, black, etc.

Origin of fuliginous

1565–75; < Latin fūlīginōsus full of soot, equivalent to fūlīgin- (stem of fūlīgō) soot + -ōsus -ous
Related formsfu·lig·i·nous·ly, adverbfu·lig·i·nous·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of fuliginous

British Dictionary definitions for fuliginous


  1. sooty or smoky
  2. of the colour of soot; dull greyish-black or brown
Derived Formsfuliginously, adverbfuliginousness, noun

Word Origin for fuliginous

C16: from Late Latin fūlīginōsus full of soot, from Latin fūlīgō soot
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