Standard Lemma guide

trismus

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

prolonged spasm of the jaw muscles

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: spasm, cramp, muscle spasm

History

Etymology

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