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adjective unofficial pronunciation in American English /ˌʌnəˈfɪʃ(ə)l/
  1. not organized or formally approved by anyone in authority
    The union is to take unofficial strike action next Tuesday.
    1. a.
      not having an official position or status
      He has become the president’s unofficial spokesman.

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normcore

a fashion trend in which people intentionally wear ordinary, inexpensive, widely-available clothing

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boutonnière

a flower or small bunch of flowers worn on the lapel of a jacket on special occasions

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