/ Dictionary / Index G gribble: Meaning and Definition of Find definitions for: grib•ble Pronunciation: (grib'ul), [key] — n. a small, marine isopod crustacean of the genus Limnoria that destroys submerged timber by boring into it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. GRF grice Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language