Word.ws English Dictionary

fibrillating

fibrillating is the present participle and gerund of fibrillate.

Adjective

fibrillating (comparative more fibrillating, superlative most fibrillating)

  1. Splitting into fibrils or fibres.
  2. Of a muscle, especially in the heart: undergoing fibrillation; quivering.
    • A publicity plane flew along the Croisette, its pennant fluttering like the trace of a fibrillating heart, unnoticed by the sunbathers stretched in their loungers in the hotel concessions.2000, JG Ballard, Super-Cannes, Fourth Estate, published 2011, page 107

Meaning of fibrillate

Verb

fibrillate (third-person singular simple present fibrillates, present participle fibrillating, simple past and past participle fibrillated)

  1. (intransitive) To make rapid irregular movements.

Forms of fibrillating

comparativemore fibrillating
superlativemost fibrillating

Origin of fibrillating

From fibrillate + -ing.

Questions about fibrillating

What does fibrillating mean?
Fibrillating means splitting into fibrils or fibres.
What is fibrillating the present participle and gerund of?
Fibrillating is the present participle and gerund of fibrillate.
What part of speech is fibrillating?
Fibrillating is an adjective.

Words near fibrillating in the dictionary

  1. fibrillarity
  2. fibrillary
  3. fibrillate
  4. fibrillated
  5. fibrillates
  6. fibrillating
  7. fibrillation
  8. fibrillations
  9. fibrillative
  10. fibrillatory
  11. fibrilled

Source and license

Adapted from Wiktionary: fibrillating (page history and authors); fibrillate (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “fibrillating.” Word.ws, https://word.ws/fibrillating. Based on Wiktionary, CC BY-SA 4.0.