gnash one's teeth

verb

To grind or strike the teeth together in anger, signaling extreme rage, frustration, pain, or ferocity.

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Meanings

verbgnash one's teeth (third-person singular simple present gnashes one's teeth, present participle gnashing one's teeth, simple past and past participle gnashed one's teeth)

present singular third person gnashes one's teeth · participle present gnashing one's teeth · participle past gnashed one's teeth · past gnashed one's teeth

  1. idiomaticinformalTo grind or strike the teeth together in anger, signaling extreme rage, frustration, pain, or ferocity.
  2. Used other than figuratively or idiomatically: see gnash, teeth.
Cite this entry
APA

gnash one's teeth. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/gnash%20one's%20teeth

MLA

“gnash one's teeth.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/gnash%20one's%20teeth. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “gnash one's teeth,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/gnash%20one's%20teeth.

Source: gnash one's teeth on Wiktionary, CC BY-SA 4.0.