/ Dictionary / Index G grimy: Meaning and Definition of Find definitions for: grim•y Pronunciation: (grī'mē), [key] — grim•i•er, grim•i•est. covered with grime; dirty: I shook his grimy hand. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grimy (Thesaurus) Grimsby grin Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language