knockout

noun [C] (ATTRACTIVE)

/ˈnɒk.aʊt/

/ˈnɑːk-/ informal

Definition

› a person or thing that looks, sounds, etc. extremely attractive: Your sister's a real knockout!Sexually attractive people

(Definition of knockout noun (ATTRACTIVE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

everything that exists or is possible

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