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tic

tic A tic is a sudden, involuntary movement or sound that happens repeatedly.

A tic is a sudden, involuntary movement or sound that happens repeatedly. It is typically rapid, nonrhythmic, and tends to appear in a similar pattern each time.

Also see

Sources

Drafting source: NCI Thesaurus. Flat export snapshot 2026-10-18. “Tic” (C116758).
CC-BY-4.0 · Source snapshot SHA-256: b27ca135beadd46c343d248135377c5077c5447fe11b93803bfab866b84fcd38

These citations identify the drafting sources. 2/2 independent reader passes against the pinned source packet. The drafter does not count as a reader. Source institutions do not endorse this dictionary.

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “tic.” Development preview.

Version 1 · SHA-256: e92213231dee35c389e5157deeb087402739cabb9212da30a8d08ce3ac8a129e

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