Definition of gnash in English:

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Pronunciation: /naSH/


[with object]
1Grind (one’s teeth) together, typically as a sign of anger: no doubt he is gnashing his teeth in rage
More example sentences
  • Junko thought in anger as she gnashed her teeth.
  • Should we clean our teeth before gnashing them in anger at another signal failure?
  • Alex reached in and extracted what looked like a crocodile head that was gnashing its teeth together menacingly.
grind, grate, rasp, grit
archaic gristbite
1.1 [no object] (Of teeth) strike together; grind: the dog’s jaws were primed to gnash
More example sentences
  • Gilgamesh roared, his teeth gnashing together in an effort to hold the stronger, older man back.
  • Her face contorted into an animalistic snarl, her muscles tensed, her concentration rose to a new acme, her blood raced, her hair stood on end, and her teeth gnashed together.
  • That's our teeth gnashing, that noise, by the way.


Late Middle English: perhaps related to Old Norse gnastan 'a gnashing'.

Words that rhyme with gnash

abash, ash, Ashe, bash, brash, cache, calash, cash, clash, crash, dash, encash, flash, hash, lash, mash, Nash, panache, pash, plash, rash, sash, slash, smash, soutache, splash, stash, thrash, trash

For editors and proofreaders

Syllabification: gnash

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