Definition of often adverb from the Oxford Advanced American Dictionary

      

    often

     adverb
    adverb
    NAmE//ˈɔfn//
     
    , NAmE//ˈɑfn//
     
    , NAmE//ˈɔftən//
     
    , NAmE//ˈɑftən//
     
     
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  1. 1many times synonym frequently We often go there. I've often wondered what happened to him. How often do you go to the theater? I see her quite often. Try to exercise as often as possible. We should meet for lunch more often. It is not often that you get such an opportunity.
  2. 2 in many cases synonym commonly Old houses are often damp. People are often afraid of things they don't understand. All too often the animals die because of neglect. His success depended, as so often happens, on things entirely outside his control.
  3. Idioms
    as often as not,more often than not
     
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    usually; in a way that is typical of someone or something As often as not, he's late for work.
    every so often
     
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    occasionally; sometimes Every so often I heard a strange noise outside.
    once too often
     
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    used to say that someone has done something wrong or stupid again, and this time they will suffer because of it You've tried that trick once too often.
See the Oxford Advanced Learner's Dictionary entry: often