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[ruh-pid-i-tee] /rəˈpɪd ɪ ti/
a rapid state or quality; quickness; celerity.
Also, rapidness
[rap-id-nis] /ˈræp ɪd nɪs/ (Show IPA)
Origin of rapidity
From the Latin word rapiditās, dating back to 1610-20. See rapid, -ity
swiftness, fleetness. See speed. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for rapidity
Contemporary Examples
Historical Examples
  • All these thoughts came to her with rapidity, as Crane talked with masterly judgment.

    Thoroughbreds W. A. Fraser
  • He fired his volley of explanation at his employer with the rapidity of a Maxim gun.

    Thoroughbreds W. A. Fraser
  • To Linda it was almost a miracle, the rapidity with which a house could be erected in California.

    Her Father's Daughter Gene Stratton-Porter
  • He was terrified at the rapidity with which he had been involved in such dangers—decoyed into it.

    The Secret Agent Joseph Conrad
  • Hence he moved with rapidity and precision, and was never taken by surprise.

  • Japanese women will coal a vessel with a rapidity unsurpassable by men.

    The Truth About Woman C. Gasquoine Hartley
  • It is remarkable with what rapidity the savage woman grows old.

    The Sexual Question August Forel
  • Brilliancy and rapidity of execution are everywhere sought as the 15.

  • Do you agree with me that the letter rho is expressive of rapidity, motion, and hardness?

    Cratylus Plato
Word Origin and History for rapidity

1650s, from French rapidité and directly from Latin rapiditatem (nominative rapiditas) "swiftness, rapidity, velocity," from rapidus "hasty, swift, rapid" (see rapid).

Online Etymology Dictionary, © 2010 Douglas Harper
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