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



    BrE BrE//ˈθʌrəli//
    ; NAmE NAmE//ˈθɜːrəli//
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  1. 1  very much; completely We thoroughly enjoyed ourselves. I'm thoroughly confused. a thoroughly professional performance I can thoroughly recommend it.
  2. 2  completely and with great attention to detail Wash the fruit thoroughly before use. The work had not been done very thoroughly.
  3. Extra examples I felt thoroughly ashamed of myself. She behaved throughout in a thoroughly professional manner. The children thoroughly enjoyed themselves.
See the Oxford Advanced American Dictionary entry: thoroughly