ELF

noun [U] (LANGUAGE)

/ˌiː.elˈef/

Definition

› abbreviation for English as a lingua franca: the type of English used by speakers of other languages as a way of communicating among themselves

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

to do something that spoils someone's plans

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