/ Dictionary / Index R relative pronoun: Meaning and Definition of Find definitions for: rel'ative pro'noun Pronunciation: [key] one of the pronouns who, whom, which, what, their compounds with -ever or -soever, or that used as the subordinating word to introduce a subordinate clause, esp. such a pronoun referring to an antecedent. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. relative pitch relative sunspot number Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language