Definition for RA-PID'I-TY

RA-PID'I-TY, n. [L. rapiditas; Fr. rapidité, supra.]

  1. Swiftness; celerity; velocity; as, the rapidity of a current; the rapidity of motion of any kind.
  2. Baste in utterance; as, the rapidity of speech or pronunciation.
  3. Quickness of progression or advance; as, rapidity of growth or improvement.

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