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rapidity

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

noun

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

    Synonyms:
    fleetness, swiftness

Synonym Usage

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

Every year I turn another year older, I become more and more aware of time, of the rapidity of life and of all the things I want to do before it’s all over.

From Los Angeles Times • Sep. 5, 2024

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

Tawantinsuyu is known to have risen and fallen with breathtaking rapidity, but the exact chronology of its trajectory is disputed.

From "1491" by Charles C. Mann

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