ra·​pid·​i·​ty | \ rə-ˈpi-də-tē How to pronounce rapidity (audio) , ra-\

Definition of rapidity

: the quality or state of being rapid

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Examples of rapidity in a Sentence

the rapidity with which she can do mental math calculations is amazing

Recent Examples on the Web

The sirens awakened many people, and persons driving to the downtown district for emergency duty saw lights in homes flashing on with rapidity. Dallas News, "D-Day as Dallas lived it," 6 June 2019 Thus far, the rapidity and brutality of MBS’s seizure of power appear to have preempted open dissent. Daniel Benjamin, The New York Review of Books, "Reckless in Riyadh," 30 May 2019 Yet a 2013 study found that, beyond a certain point, additional rapidity may not increase survival. Laura Kolbe, WSJ, "‘Heart: A History’ Review: At the Bleeding Edge," 14 Sep. 2018 There is much—very much—ado about Pete Davidson and Ariana Grande: the rapidity of their engagement! Michelle Ruiz, Vogue, "The Best Part of Pete Davidson’s Latest Interview Isn’t What You Think," 16 Aug. 2018 The rapidity of the media cycle can certainly be exhausting. Fox News, "Psychologist says Americans are suffering from 'Trump Anxiety Disorder'," 31 July 2018 A week after rescue divers emerged in a dark and flooded cave to discover that — against all odds — a missing team of Thai soccer players had somehow managed to survive 10 days of isolation, their rescue continued with astonishing rapidity. New York Times, "8 Saved, 5 to Go in Thai Cave Rescue," 9 July 2018 Community colleges and similar institutions can help, on a time scale more attuned to new technology’s rapidity. George P. Shultz, WSJ, "America Can Ride the 21st Century’s Waves of Change," 27 June 2018 The Swan Queen and Prince Siegfried begin with dreamlike rapidity; the music’s sped up. Alastair Macaulay, New York Times, "Review: ‘Frame by Frame,’ a Ballet That Puts a Filmmaker Center Stage," 3 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rapidity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of rapidity

1654, in the meaning defined above

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Statistics for rapidity

Last Updated

21 Jun 2019

Look-up Popularity

Time Traveler for rapidity

The first known use of rapidity was in 1654

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More Definitions for rapidity


ra·​pid·​i·​ty | \ rə-ˈpi-də-tē How to pronounce rapidity (audio) \

Kids Definition of rapidity

: the quality or state of being rapid She said it with such rapidity I missed it.

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More from Merriam-Webster on rapidity

Rhyming Dictionary: Words that rhyme with rapidity

Thesaurus: All synonyms and antonyms for rapidity

Spanish Central: Translation of rapidity

Nglish: Translation of rapidity for Spanish Speakers

Britannica English: Translation of rapidity for Arabic Speakers

Comments on rapidity

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something desired as essential

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