GRIN Scrabble 5 Words With Friends 7 Definition verb to draw back the lips and reveal the teeth, in a smile, grimace, or snarl. noun a facial expression characterized by turning up the corners of the mouth. — synonyms: smile, smiling, grinning Anagrams of GRIN girnring See all 7 words you can make from GRIN → 4-letter words Words starting with G Words ending with N ← Unscramble different letters