Simple Definition of rapid
: happening in a short amount of time : happening quickly
: having a fast rate
: moving quickly
Full Definition of rapid
: marked by a fast rate of motion, activity, succession, or occurrence
Examples of rapid
There's been rapid growth in the number of new businesses in the town.
Scientists are concerned about the rapid disappearance of the island's coral reefs.
She carefully guided the boat through the rapid water.
Origin of rapid
Latin rapidus seizing, sweeping, rapid, from rapere to seize, sweep away; akin to Lithuanian aprėpti to embrace
First Known Use: 1634
Synonym Discussion of rapid
Definition of rapid
: a part of a river where the current is fast and the surface is usually broken by obstructions —usually used in plural but singular or plural in construction
First Known Use of rapid
Seen and Heard
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