/ Dictionary / Index S subcommittee: Meaning and Definition of Find definitions for: sub•com•mit•tee Pronunciation: (sub'ku-mit"ē), [key] — n. a secondary committee appointed out of a main committee. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subcommittee (Thesaurus) subcolumnar subcommunity Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language