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



    BrE BrE//ˌʌnəˈfɪʃəli//
    ; NAmE NAmE//ˌʌnəˈfɪʃəli//
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  1. 1without having permission or approval from somebody in authority Costs were unofficially estimated at about $6 000. He had already been doing the job unofficially, and now he would be paid for it.
  2. 2without being part of somebody's official business US officials have visited the country unofficially in the past.
  3. opposite officially