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.

"We are incredibly proud of the swift actions of our staff and the mature response of our pupils," a spokesperson said.

From BBC • Jun. 11, 2026

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

“We’re making swift progress on developing these safeguards and expect to be able to bring Mythos-class models to all our customers in the coming weeks,” Anthropic said on Thursday.

From Barron's • May 28, 2026

The PIH response to the cholera epidemic was equally swift.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French

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!