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



    BrE BrE//ˈmaɪtɪli//
    ; NAmE NAmE//ˈmaɪtɪli//
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  1. 1very; very much mightily impressed/relieved
  2. 2(formal) with great strength or effort We have struggled mightily to win back lost trade. They complained mightily about the way they had been treated.
See the Oxford Advanced American Dictionary entry: mightily