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.

The response from local people was swift, with many rushing to help clear up and support those who were targeted.

From BBC • Jun. 4, 2026

As acting director of the Centers for Disease Control and Prevention, I helped oversee a swift response.

From The Wall Street Journal • Jun. 3, 2026

Glenn Hutchins, co-chair of the board of Brookings and co-founder of Silver Lake Partners, said that Powell’s swift actions prevented disaster.

From Barron's • Jun. 2, 2026

Security was heightened around the institution as crowds gathered demanding swift action and accountability over the incident.

From BBC • May 29, 2026

“A good stage manager is swift and efficient as a London postal worker, and I have no time to waste.”

From "The Long-Lost Home" by Maryrose Wood

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!