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English definition of “all-time”


adjective [before noun]     /ˌɔːlˈtaɪm/ US  /ˌɑːl-/
An all-time high, low , best , etc. is the highest , lowest , best , etc. level that has ever been: After three years of drought , the water in the lake had reached an all-time low .Always and never
(Definition of all-time adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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