rapidity

noun

rə-ˈpi-də-tē How to pronounce rapidity (audio)
Definition of rapiditynext
as in velocity
a high rate of movement or performance the rapidity with which she can do mental math calculations is amazing

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of rapidity But this doesn’t explain the rapidity of the shift nor the fact that all the leading American AI research labs moved in the same direction. — Nick Srnicek, Wired News, 14 Jan. 2026 Still others warned of the rapidity with which democracy could give way to dictatorship. — Talya Zax, The Atlantic, 23 Dec. 2025 The film captures the rapidity of time, with flashes of beauty and brutality whipping by in turn. — Anastasia Sanger, Glamour, 22 Dec. 2025 The first is the rapidity of innovation. — Ravi Kumar S, MSNBC Newsweek, 2 Dec. 2025 See All Example Sentences for rapidity
Recent Examples of Synonyms for rapidity
  1. velocity
  2. speed
Noun
  • Perhaps better health and shorter assignments will help Cabrera harness his high-end velocity and create greater separation between his fastball and a unique changeup.
    — Patrick Mooney, New York Times, 18 Aug. 2026
  • In our engineering teams, AI-first processes have increased velocity by handling boilerplate code, test generation and repetitive tasks, freeing developers to focus on architecture and problem-solving.
    — Khadim Batti, Forbes.com, 17 Aug. 2026
Definition of velocity
Noun
  • Allen hasn’t had that type of receiver since Stefon Diggs left Buffalo, and Moore’s speed and run-after-catch ability are likely to be big assets.
    — Joe Buscaglia, New York Times, 16 Aug. 2026
  • But much of the program dispensed with speed to explore the other skills of the dogs — and their owners.
    — ABC News, ABC News, 16 Aug. 2026
Definition of speed

Browse Nearby Words

rapid-fire
rapidity
rapidly
See all Nearby Words

Cite this Entry

“Rapidity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rapidity. Accessed 20 Aug. 2026.

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More from Merriam-Webster on rapidity

Nglish: Translation of rapidity for Spanish Speakers

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