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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

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

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

The rapidity of change and the speed with which new situations are created follow the impetuous and heedless pace of man rather than the deliberate pace of nature.

From "Silent Spring" by Rachel Carson