gnash.
To grind (one's teeth) in pain or in anger.
Meaning & usage
To grind (one's teeth) in pain or in anger.
gnashing your teeth
To grind between the teeth.
to gnash the air in fury
The dog was gnashing a carpet
To clash together violently.
To run away.
Where this word comes from
From Middle English gnasten. Origin unknown; the word is probably either Germanic or ultimately onomatopoeic. Compare Old Norse gnastan, Danish gnaske ("munch", "crunch"), German knirschen, German Low German gnirschen, gnörschen (“gnash”), Swedish gnissla (“squeak; gnash”), all of onomatopoeic origin.
A sudden snapping of the teeth.
Where this word comes from
From Middle English gnasten. Origin unknown; the word is probably either Germanic or ultimately onomatopoeic. Compare Old Norse gnastan, Danish gnaske ("munch", "crunch"), German knirschen, German Low German gnirschen, gnörschen (“gnash”), Swedish gnissla (“squeak; gnash”), all of onomatopoeic origin.
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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.