Fibrillate

//ˈfʌɪbrɪleɪt// verb

verb ·Rare ·Advanced level

Definitions

Verb
  1. 1
    To make rapid irregular movements. intransitive
  2. 2
    make fine, irregular, rapid twitching movements wordnet

Etymology

From fibrilla.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.