/ Dictionary / Index S subfuscous: Meaning and Definition of Find definitions for: sub•fus•cous Pronunciation: (sub-fus'kus), [key] — adj. slightly dark, dusky, or somber. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subfusc subgenre Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language