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Definitions

rapid

[rap-id] / ˈræp ɪd /
ADJECTIVE
very quick
Synonyms
STRONGEST
accelerated breakneck brisk expeditious fast hasty speedy swift
STRONG
active express fleet flying precipitate prompt ready screaming
WEAK
agile double-time expeditive fleet of foot hurried in nothing flat light-footed like a house on fire lively mercurial nimble on the double quick as a wink quickened really rolling split-second spry winged
Antonyms
STRONGEST
delayed slow sluggish tardy
WEAK
languishing leisurely slack

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Our proof-of-concept device showcases rapid, scalable charging and energy storage at room temperature, laying the groundwork for next-gen energy solutions," he said.

From Science Daily • Apr. 4, 2026

Cabinet officials come and go, but the near-immediate removal of Bondi’s image signaled something closer to erasure than transition, a rapid closing of ranks inside a department that had already been under pressure.

From Salon • Apr. 4, 2026

With Wilder, he is someone who held his form well but the decline has been rapid.

From BBC • Apr. 4, 2026

Satellite images show rapid expansion of exposed lakebed as the water has receded.

From Los Angeles Times • Apr. 3, 2026

I’m suddenly hyperaware of my breathing and the rapid thud of my heartbeat.

From "Internment" by Samira Ahmed

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.