Definition of definitely adverb from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈdefɪnətli//
    ; NAmE NAmE//ˈdefɪnətli//
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  1. 1  (informal) a way of emphasizing that something is true and that there is no doubt about it I definitely remember sending the letter. ‘Was it what you expected?’ ‘Yes, definitely.’ ‘Do you plan to have children?’ ‘Definitely not!’ Some old people want help; others most definitely do not.
  2. 2  in a way that is certain or that shows that you are certain The date of the move has not been definitely decided yet (= it may change). Please say definitely whether you will be coming or not.
See the Oxford Advanced American Dictionary entry: definitely