teeth grinding

noun Pathology.

habitual, purposeless clenching and grinding of the teeth, especially during sleep.
Also called bruxism.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for teeth grinding

  • The waterworks tend to switch on at moments of teeth-grinding stress and sweet relief.

    The Scandal Guru|Lloyd Grove|March 11, 2010|DAILY BEAST