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Synonyms

rapidity

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

noun

  1. a rapid state or quality; quickness; celerity.

    Synonyms:
    fleetness, swiftness

Related Words

See speed.

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.

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

Meditation suggests it might be possible, but the rapidity with which our internal terrain changes makes the possibility of any definitive guide all but impossible.

From New York Times • Feb. 3, 2024

No sooner had he done so than the light in the woods began flashing a message with extreme rapidity: Go at once.

From "The Mysterious Benedict Society" by Trenton Lee Stewart