be out to lunch definition, meaning - what is be out to lunch in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “be out to lunch”

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be out to lunch

informal
to be crazy: So do I take this guy seriously or is he out to lunch?
Translations of “be out to lunch”
in Chinese (Traditional) 發瘋,失去理智…
in Chinese (Simplified) 发疯,失去理智…
(Definition of be out to lunch from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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