gnash one's teeth
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Show anger or frustration
Literally: grind one's teeth
Where it’s used:
Used
Widespread English
Examples
He gnashed his teeth in rage when he heard the news
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Equivalents & related
Common questions
What does “gnash one's teeth” mean?
Show anger or frustration Literally: grind one's teeth
Is “gnash one's teeth” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.
What is the closest equivalent?
“khóc lóc nghiến răng” (Tiếng Việt) — near equivalent.