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



    BrE BrE//əˈkuːstɪkli//
    ; NAmE NAmE//əˈkuːstɪkli//
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  1. 1in a way that is related to sound of to the sense of hearing an acoustically perfect concert hall
  2. 2using musical instruments that make sound naturally, not using electrical equipment We’re all playing acoustically with no raging electric guitars, etc.