# trismus

> English word · Noun

## Definitions
1. The inability to open the mouth normally, typically as a result of disease.

## Etymology
Borrowed from New Latin trismus, from Ancient Greek τρισμός (trismós, “a grinding, rasping, scream”), from Ancient Greek τρίζω (trízō).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/trismus