/ Dictionary / Index G gramps: Meaning and Definition of Find definitions for: gramps Pronunciation: (gramps), [key] — n. Informal. grandfather. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gramps (Thesaurus) Gram-positive grampus Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language