Meaning of “one-liner” in the English Dictionary

british dictionary

"one-liner" in British English

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one-linernoun [ C ]

uk /ˌwʌnˈlaɪ.nər/ us /ˌwʌnˈlaɪ.nɚ/ informal

a joke or a clever and funny remark or answer that is usually one sentence long:

There are some very witty one-liners in the play.

(Definition of “one-liner” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)