Breadcrumb Home > Thesaurus > G Synonyms of grin Find synonyms for: Noun 1. smile, smiling, grin, grinning, facial expression, facial gesture usage: a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement Verb 1. grin, smile usage: to draw back the lips and reveal the teeth, in a smile, grimace, or snarl WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of grin (Dictionary) 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: raconteur Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language