RAPID Synonyms: 64 Similar and Opposite Words

Q: How does the adjective 'rapid' contrast with its synonyms?

Some common synonyms of rapid are expeditious , fast , fleet , hasty , quick , speedy , and swift . While all these words mean "moving, proceeding, or acting with celerity," rapid applies to the movement itself, rather than to the thing that moves. // rapid current

Q: When would 'expeditious' be a good substitute for 'rapid'?

Although the words expeditious and rapid have much in common, expeditious suggests efficiency together with rapidity of accomplishment. // the expeditious handling of an order

Q: How are the words 'fast' and 'rapid' related?

Both fast and rapid are very close in meaning, but fast applies particularly to the thing that moves. // fast horses

Q: When is it sensible to use 'fleet' instead of 'rapid'?

The meanings of fleet and rapid largely overlap; however, fleet adds the implication of lightness and nimbleness. // fleet runners

Q: In what contexts can 'hasty' take the place of 'rapid'?

While in some cases nearly identical to rapid , hasty suggests hurry and precipitousness and often connotes carelessness. // a hasty inspection

Q: Where would 'quick' be a reasonable alternative to 'rapid'?

The synonyms quick and rapid are sometimes interchangeable, but quick suggests promptness and the taking of little time. // a quick wit

Q: When can 'speedy' be used instead of 'rapid'?

In some situations, the words speedy and rapid are roughly equivalent. However, speedy implies quickness of successful accomplishment and may also suggest unusual velocity. // speedy delivery of mail

Q: When might 'swift' be a better fit than 'rapid'?

The words swift and rapid are synonyms, but do differ in nuance. Specifically, swift suggests great rapidity coupled with ease of movement. // returned the ball with one swift stroke

rapid

adjective

ˈra-pəd

Definition of rapid

as in quick

moving, proceeding, or acting with great speed the rapid descent of the roller coaster made me feel very queasy

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How does the adjective rapid contrast with its synonyms?

Some common synonyms of rapid are expeditious, fast, fleet, hasty, quick, speedy, and swift. While all these words mean "moving, proceeding, or acting with celerity," rapid applies to the movement itself, rather than to the thing that moves.

rapid current

When would expeditious be a good substitute for rapid?

Although the words expeditious and rapid have much in common, expeditious suggests efficiency together with rapidity of accomplishment.

the expeditious handling of an order

How are the words fast and rapid related?

Both fast and rapid are very close in meaning, but fast applies particularly to the thing that moves.

fast horses

When is it sensible to use fleet instead of rapid?

The meanings of fleet and rapid largely overlap; however, fleet adds the implication of lightness and nimbleness.

fleet runners

In what contexts can hasty take the place of rapid?

While in some cases nearly identical to rapid, hasty suggests hurry and precipitousness and often connotes carelessness.

a hasty inspection

Where would quick be a reasonable alternative to rapid?

The synonyms quick and rapid are sometimes interchangeable, but quick suggests promptness and the taking of little time.

a quick wit

When can speedy be used instead of rapid?

In some situations, the words speedy and rapid are roughly equivalent. However, speedy implies quickness of successful accomplishment and may also suggest unusual velocity.

speedy delivery of mail

When might swift be a better fit than rapid?

The words swift and rapid are synonyms, but do differ in nuance. Specifically, swift suggests great rapidity coupled with ease of movement.

returned the ball with one swift stroke

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of rapid This seminal period of transformation marked the moment Japan shifted from samurai rule to rapid modernization and Western influence, following centuries of closed borders. — Condé Nast, Condé Nast Traveler, 1 Sep. 2026 The rapid spread of fires has led to evacuations and road closures in North Texas communities. — Brandi D. Addison, USA Today, 1 Sep. 2026 Though the supermassive black hole of the Milky Way, Sagittarius A* (Sgr A*), isn't currently involved in a rpTDE, it is orbited by many rapid stars. — Robert Lea, Space.com, 1 Sep. 2026 The first reason — hardly a surprise — is the rapid emergence of AI. — ABC News, 1 Sep. 2026 See All Example Sentences for rapid

Recent Examples of Synonyms for rapid

Adjective

Police credited the group's quick response with helping save the woman's life.

— ABC News, ABC News, 3 Sep. 2026
Then the bear tossed a quick glance at Corle and fled into the underbrush.

— Jan Thacker, Outdoor Life, 3 Sep. 2026

Definition of quick

Adjective

Jade Gao | Afp | Getty Images Shares of Shein fell 9% in their Hong Kong trading debut Tuesday, after a tepid IPO that saw the fast-fashion giant's valuation drop to nearly a quarter from its peak.

— Jenny Lee, CNBC, 1 Sep. 2026
The 100-meter sprint in Beijing’s National Speed Skating Oval brought together the world’s fastest runners, hurtling along at breakneck speed to shrieks of excitement from a captivated crowd.

— Sarah Shephard, New York Times, 1 Sep. 2026

Definition of fast

Adjective

As his health faded in the last year of his life, Neruda rushed to finish his story, which gives the last chapters of his book a galloping, fragmented quality.

— Tunku Varadarajan, WSJ, 25 June 2021
Designed by renowned architect Dominique Perrault, its four stories tilting forward are said to evoke a galloping horse.

— Rob Hodgetts at Longchamp, CNN, 15 Oct. 2019

Definition of galloping

Adjective

Oswego avoided sending the ball near the speedy Konkey on kickoffs to prevent a repeat of last week’s scoring on a return.

— Jerry Birchfield, Chicago Tribune, 29 Aug. 2026
The Rams never found a way to consistently deploy speedy receiver Tutu Atwell.

— Assistant Sports Editor, Los Angeles Times, 28 Aug. 2026

Definition of speedy

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“Rapid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rapid. Accessed 4 Sep. 2026.

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Synonyms of rapid

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