/ Dictionary / Index A adjective clause: Meaning and Definition of Find definitions for: ad'jective clause" Pronunciation: [key] — Gram. Gram. a relative clause that modifies a noun or pronoun, as who saw us in It was she who saw us. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. adjective adjective phrase Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language