We found 4 dictionaries that define the word grin from ear to ear:

General (3 matching dictionaries)

1. grin from ear to ear: Merriam-Webster
2. grin from ear to ear: Oxford Learner's Dictionaries
3. grin from ear to ear: Wiktionary

Miscellaneous (1 matching dictionary)

4. grin from ear to ear: Idioms

Definitions from Wiktionary (grin from ear to ear) ▸ verb:  Synonym of smile from ear to ear Phrases: grin smile from ear to ear, more... ▸ Words similar to grin from ear to ear ▸ Usage examples for grin from ear to ear ▸ Idioms related to grin from ear to ear ▸ Wikipedia articles (New!) ▸ Words that often appear near grin from ear to ear ▸ Rhymes of grin from ear to ear ▸ Invented words related to grin from ear to ear