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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.

The rapidity of these attacks - and the regularity of them, disrupted or acted out, had an extraordinary consequence that further complicated the picture.

From BBC • Jul. 6, 2025

In this franchise, the rapidity of change runs parallel to the infestation of anger.

From Salon • Jun. 20, 2025

"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

Others, evidently, showed less concern for Germany or her inhabitants, but were of the opinion that the economic chaos of that country, if not halted, might spread with alarming rapidity to the world at large.

From "The Remains of the Day" by Kazuo Ishiguro