grin.
A smile in which the lips are parted to reveal the teeth.
Meaning & usage
A smile in which the lips are parted to reveal the teeth.
Where this word comes from
From Middle English grinnen, from Old English grennian, from Proto-West Germanic *grannjōn, from Proto-Germanic *granjōną. Related to groan. Compare to Middle High German grennen (“to mutter, complain”) and Danish grine (“to show one's teeth, to laugh”)
To smile, parting the lips so as to show the teeth.
Why do you grin? Did I say something funny?
To express by grinning.
She grinned pleasure at his embarrassment.
To show the teeth, like a snarling dog.
To grin as part of producing a particular facial expression, such as a smile or sneer.
He grinned a broad smile when I told him the result.
He grinned a cruel sneer when I begged him to stop.
Where this word comes from
From Middle English grinnen, from Old English grennian, from Proto-West Germanic *grannjōn, from Proto-Germanic *granjōną. Related to groan. Compare to Middle High German grennen (“to mutter, complain”) and Danish grine (“to show one's teeth, to laugh”)
A snare; a gin.
Where this word comes from
From Middle English grin, grinne, grine, from Old English grin (“snare, noose”), of uncertain origin, but probably from the merger of Proto-West Germanic *garni and *garnī (“intestine”), ultimately from Proto-Germanic *garniz, *garnō (“guts, intestine”). Related to English yarn.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.