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English definition of “swift”

swift

adjective uk   /swɪft/ us  
C2 happening or moving quickly or within a short time, especially in a smooth and easy way: The local police took swift action against the squatters. Thank you for your swift reply. The gazelle is one of the swiftest and most graceful of animals.
swiftly
adverb uk   /ˈswɪft.li/ us  
C2 Walking swiftly, he was at the station within minutes.
swiftness
noun [U] uk   /ˈswɪft.nəs/ us  

swift

noun [C] uk   /swɪft/ us  
a small bird with curved, pointed wings that can fly very fast
(Definition of swift from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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