Breadcrumb Home > Dictionary > Index G grimace: Meaning and Definition of Find definitions for: grim•ace Pronunciation: (grim'us, gri-mās'), [key] — n., v., -aced, -ac•ing. —n. a facial expression, often ugly or contorted, that indicates disapproval, pain, etc. —v.i. to make grimaces. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grimace (Thesaurus) grim Grimaldi TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: prescient Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language