adjective 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: 1565–75; <
Latin fūlīginōsus full of soot, equivalent to
fūlīgin- (stem of
fūlīgō) soot +
-ōsus -ous Related forms fu·lig·i·nous·ly, adverb
fu·lig·i·nous·ness, noun