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English definition of “certainty”

certainty

noun (IN NO DOUBT)    /ˈsɜː.tən.ti/ US  /ˈsɝː-/
[C] something that cannot be doubted: There are few absolute certainties in life.CertaintyConfidence and self-assurance B2 [U] the state of being completely confident or having no doubt about something: I'm unable to answer that question with any certainty.Confidence and self-assuranceShowing arrogance and conceit
(Definition of certainty noun (IN NO DOUBT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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