/ Dictionary / Index G grandparent: Meaning and Definition of Find definitions for: grand•par•ent Pronunciation: (gran'pâr"unt, -par"-, grand'-), [key] — n. a parent of a parent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grandparent (Thesaurus) grandpappy grand passion Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language