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English definition of “doubtless”

doubtless

adverb uk   /ˈdaʊt.ləs/ formal us  
used to mean that you are certain that something will happen or is true: They will doubtless protest, but there's nothing they can do. Doubtless you have heard the news already.
(Definition of doubtless from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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