the quality of moving or reacting quickly; swiftness, the rate at which something happens or changes

Formal and Informal Expressions of rapidity

In different contexts, you can replace 'rapidity' with suitable alternatives. In a more formal setting, 'swiftness, celerity' is apt. In informal speech or writing, 'speediness' is a commonplace synonym.

rapidity: Explore its Definition & Usage

rapidity Definition

1the quality of moving or reacting quickly; swiftness
2the rate at which something happens or changes

Using rapidity: Examples

Take a moment to familiarize yourself with how "rapidity" can be used in various situations through the following examples!

Example
The rapidity with which the virus spread was alarming.
Example
The car's rapidity made it difficult to control.
Example
The company was praised for the rapidity of its response to the crisis.

rapidity Synonyms and Antonyms

Synonyms for rapidity

Antonyms for rapidity

Phrases with rapidity

with rapidity
very quickly
Example
The fire spread through the building with rapidity.
at a rapidity of
at a speed of
Example
The train was traveling at a rapidity of 100 miles per hour.
rapid-fire
very fast and continuous
Example
The comedian delivered rapid-fire jokes that had the audience in stitches.

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Summary: rapidity in Brief

'Rapidity' [rəˈpɪdəti] refers to the quality of moving or reacting quickly, or the rate at which something happens or changes. It is often used to describe the speed of events or actions, such as 'The rapidity with which the virus spread was alarming.' 'Rapidity' can also be used in phrases like 'with rapidity' or 'at a rapidity of,' and in the term 'rapid-fire,' which means very fast and continuous.