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English definition of “all-out”

all-out

adjective [before noun]     /ˌɔːlˈaʊt/ US  /ˌɑːl-/
complete and with as much effort as possible: We made an all-out effort to get the project finished on time.Trying and making an effortEffort and expending energy
(Definition of all-out adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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