Definitions

swift

[swift] / swɪft /

ADJECTIVE

very fast

Synonyms

STRONGEST

abrupt expeditious hasty nimble quick rapid speedy sudden unexpected

STRONG

cracking express fleet flying precipitate prompt ready screaming short spanking

WEAK

alacritous barrelling breakneck double-quick fleet-footed headlong hurried in nothing flat like crazy like mad on the double pronto shaking a leg short-lived snappy speedball supersonic winged

Antonyms

STRONGEST

delayed expected lazy leisurely slow

WEAK

sluggish

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.

When Bloomberg reported earlier this month that Kirby had pitched President Trump on a merger with American, the backlash was swift.

From The Wall Street Journal • Apr. 27, 2026

Detection systems must be highly accurate, continuously updated, and paired with clear policies and swift takedown processes to be effective.

From Barron's • Apr. 24, 2026

“We welcome this swift and much-needed relief for Isaac, which is a testament to the blatant illegality of the government’s actions,” said Lauren Wilfong, a lawyer with the National Day Laborer Organizing Network.

From Los Angeles Times • Apr. 23, 2026

With that, the stock market’s rally to fresh record highs hit a stumbling block on Monday, as oil prices climbed and confidence around a swift resolution to the Iran war was tested.

From MarketWatch • Apr. 20, 2026

I must look really pitiful, because even Mouse Girl reaches out to give me a swift pat on the back.

From "Born Behind Bars" by Padma Venkatraman

Vocabulary lists containing swift

"Romeo and Juliet" by William Shakespeare, Act II

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Unit 1: Telling Details

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"Macbeth" Vocabulary from Act III

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!