Definition

1. Verb:
   • To grind or strike (the teeth) together, especially as an expression of strong emotion such as anger, pain, or frustration.
   • To make a harsh, grinding sound by this action.

Usage

The verb "gnash" is almost exclusively used in relation to teeth. It describes a forceful, often involuntary, action driven by intense feeling. It is typically used in the phrase "gnash one's teeth."

Examples

• Verb:
  • In his rage, he began to gnash his teeth.
  • She gnashed her teeth in frustration when she heard the bad news.
  • The old man would gnash his teeth in his sleep.

Advanced Usage

• "to gnash one's teeth": This is the standard and most common usage. It is an idiom meaning to express anger, despair, or extreme frustration.
  • The defeated general could only gnash his teeth as he watched the enemy celebrate.
• Figurative/Literary Use: While rare, "gnash" can be used more broadly to describe a harsh, grating sound or action.
  • The gears gnashed against each other, producing a terrible noise. (This is an extended, metaphorical use.)

Variants and Related Words

• Gnashing (noun/gerund): The act or sound of grinding the teeth.
  • There was a sound of gnashing from the other room.

Synonyms

• Grind: To rub objects (especially teeth) together with force.
• Clench: To close or hold tightly, often used with teeth ("clench one's teeth"), which is a related but distinct action that may accompany gnashing.

Idioms and Phrases

• "gnash one's teeth": To be extremely angry, frustrated, or in despair.
  • Investors were gnashing their teeth over the sudden market crash.
• "weeping and gnashing of teeth": A biblical idiom describing a state of profound grief, anger, and despair, often used in modern contexts to depict extreme anguish or regret.
  • The announcement of further budget cuts caused weeping and gnashing of teeth among the staff.

Verb

1. grind together, of teeth