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English definition of “unawares”

unawares

adverb     /ˌʌn.əˈweəz/ US  /-ˈwerz/
suddenly and unexpectedly without any warning: The overnight invasion took the military experts unawares. The prime minister seemed to have been caught unawares by (= was not expecting) this sudden attack of criticism .Not expected or planned
(Definition of unawares adverb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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