certainly - definition and synonyms

 
 
 
adverb 

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/ˈsɜː(r)t(ə)nli/
  1. 1
    used for emphasizing that something is definitely true or will definitely happen

    I certainly hope you’re right.

    There certainly wasn’t any point in doing it now.

  2. 2
    spoken used for expressing agreement or giving permission

    ‘We’d like you to explain your proposal to us in greater detail.’ ‘Certainly.’