/ Dictionary / Index I indefinite pronoun: Meaning and Definition of Find definitions for: indef'inite pro'noun Pronunciation: [key] — Gram. Gram. a pronoun, as English some, any, somebody, that leaves unspecified the identity of its referent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. indefinite integral indefinite relative clause Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language