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English definition of “certainly”

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certainly

adverb
 
 
/ˈsɜːtənli/
WITHOUT DOUBT A2 used to emphasize something and show that there is no doubt about it: Their team certainly deserved to win. "Are your parents paying for dinner?" "I certainly hope so." She may never find out. I'm certainly not going to tell her. "Do you regret what you said?" "Certainly not!"CertaintyConfidence and self-assuranceVery and extremeComplete and wholeIntensifying expressions
OF COURSE A2 used to agree to a request: "Could you pass the salt, please?" "Certainly."Accepting and agreeingAccepting and agreeing reluctantlyApproving and approval
(Definition of certainly from the Cambridge Learners Dictionary © Cambridge University Press)
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