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English definition of “vigilant”


adjective     /ˈvɪdʒ.ɪ.lənt/
always being careful to notice things, especially possible danger: Following the bomb scare at the airport, the staff have been warned to be extra vigilant.Cautious and vigilantPaying attention and being careful vigilantly     /-li/ adverb Cautious and vigilantPaying attention and being careful
(Definition of vigilant adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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