rapidity

noun

ra·​pid·​i·​ty rə-ˈpi-də-tē 

ra-

: the quality or state of being rapid

Synonyms

• celerity
• fastness
• fleetness
• haste
• hurry
• quickness
• rapidness
• speed
• speediness
• swiftness
• velocity

Examples of rapidity in a Sentence

the rapidity with which she can do mental math calculations is amazing

Recent Examples on the Web

Attitudes have fluctuated from negative to positive, and then from positive to negative with exhausting rapidity. —Andrey Kurkov, Time, 15 May 2025

This is a very much different thing than COVID in terms of rap -- rapidity and speed and other things. —Abc News, ABC News, 29 Apr. 2025

Given the relative rapidity of the deals, more will be in the offing. —John Hopewell, Variety, 9 Apr. 2025

Each user prompt on Ocean includes a live speed test indicator, giving a transparent view of our system’s rapidity. —Tor Constantino, Forbes, 26 Feb. 2025

Word History

Etymology

borrowed from French & Latin; French rapidité, going back to Middle French, borrowed from Latin rapiditāt-, rapiditās, from rapidus "flowing violently, rapid entry 1" + -itāt-, -itās -ity

First Known Use

1654, in the meaning defined above

Rhymes for rapidity

• acidity
• aridity
• avidity
• cupidity
• fluidity
• humidity
• liquidity
• lucidity
• morbidity
• placidity
• rancidity
• rigidity