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English definition of “single”

single

adjective [before noun] (ONE)    /ˈsɪŋ.ɡl̩/
B2 one only: He knocked his opponent down with a single blow. Not a single person offered to help her. You haven't been listening to a single word I've been saying. → Compare double adjectiveSingle, double and multiple
(Definition of single adjective (ONE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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