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Synonyms

rapidity

American  
[ruh-pid-i-tee] / rəˈpɪd ɪ ti /
Also rapidness

noun

  • rapidities
    plural
  1. a rapid state or quality; quickness; celerity.

    Synonyms:
    fleetness, swiftness

Synonym Usage

See speed.

Other Word Forms

Noun Inflected Forms

Etymology

Origin of rapidity

From the Latin word rapiditās, dating back to 1610–20. See rapid, -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

When I first began writing my book “Gaia Wakes” eight years ago, I did not anticipate the sheer rapidity of artificial intelligence's ascent.

From Salon ● May 17, 2025

The rapidity of space exploration is now “outpacing our laws”, he says.

From BBC ● Jun. 8, 2024

"Its simplicity and rapidity make it particularly well-suited for studying metabolic changes."

From Science Daily ● May 21, 2024

But given the recent rapidity of climate change, there are no guarantees that the trends of the past will continue to hold in the future.

From Los Angeles Times ● May 12, 2024

Some of the Sparra chattered with such rapidity that Matthias was sure they could not understand themselves.

From "Redwall" by Brian Jacques

Tiny spiderlike shells with outboard motors swarmed everywhere boasting varied, astonishing rapidities over 30 m. p. h.

From Time Magazine Archive

Between these numbers are those of different rapidities, which affect the eye—as orange, yellow, green, blue, indigo, in an almost infinite number of shades—according to the sensitiveness of the eye.

From Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work by Henry White Warren

Different kinds of apples brown with different rapidities, and the browning always begins at the core.

From Martin Hewitt, Investigator by Arthur Morrison

I merely look on at the rapidities of change with unalloyed interest.

From The Head of the House of Coombe by Frances Hodgson Burnett

Loudon returned thither from Vienna April 7th; but is not to command in chief, this Year,—Schweidnitz still sticking in some people's throats: "Dangerous; a man with such rash practices, rapidities and Pandour tendencies!"

From History of Friedrich II of Prussia — Volume 20 by Thomas Carlyle

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