gnash one's teeth

idiom
Updated on: 15 Nov 2017

Definition of gnash one's teeth

1 :to grind one's teeth together
  • He gnashed his teeth in his sleep.
2 :to show one is angry, upset, etc.
  • His opponents have been gnashing their teeth in/with frustration since he won the election.
  • His election has caused some weeping and gnashing of teeth among his opponents.

Word by Word Definitions

gnash play
  1. : to strike or grind (the teeth) together

teeth
  1. : plural of tooth


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