swift

The word “swift” means moving or happening very quickly. In plain terms, fast — whether describing an action, a decision, or the bird named for its rapid flight.

“Swift” is pronounced swihft (/swɪft/ in IPA).

Here is “swift” used in a sentence: “The police made a swift arrest after the robbery.”

Depending on how it is used, “swift” can be an adjective and a noun.

The word “swift” comes from Old English. From Old English swift, "quick" — related to swivel, both tracing back to a root meaning "to twist or wind.".

“Swift” is a fairly common word in modern English, usually learned at around the B2 level.

“Swift” has 2 distinct senses listed in this dictionary. The most common is: moving or happening very quickly.

Both describe quick movement, but "swift" is more formal and often stresses smoothness or grace as well as speed, as in "a swift reply." "Fast" is the everyday, neutral term for high speed. "Swift" also frequently describes actions and responses, not just physical velocity.

"Swift" emphasises rapid movement or a short time from start to finish and carries a slightly literary tone. "Quick" is more casual and often stresses promptness or brief duration. You might make "swift progress" in formal writing but have "a quick chat" in conversation.

No. A swift is a small, fast-flying bird that looks similar to a swallow, but the two belong to different bird families. Swifts have longer, more scythe-shaped wings and spend far more of their lives in the air.

"Swift" often pairs with words for actions and responses, such as "swift action," "a swift response," "swift justice," and "a swift decision." These collocations stress that something happens with little delay.