unofficial

Etymology

un- + official

adj

  1. Not officially established.
    the unofficial results of the ballot
    And even though their numbers have been halved—that’s the unofficial tally given in one of the strategy sessions—everyone from Sansa to Daenerys to Varys is wondering who is going to rule over which pile of smoking ruins. 5 May 2019, Danette Chavez, “Campaigns are Waged On and Off the Game Of Thrones Battlefield (Newbies)”, in The A.V. Club, archived from the original on 2021-01-28
    1. Implicitly true but withheld and/or contradicted by authority.
      The unofficial reason for invading the nation, however, was to control their resources.
  2. Not acting with official authority.
    an unofficial adviser
    Drivers' union ASLEF bluntly rebuffed the claim of unofficial action, calling it a lie. And Avanti West Coast was unable to provide any proof for its assertion, when questioned by RAIL. August 24 2022, Philip Haigh, “Network News: Union slams Avanti West Coast: 'lie' as services slashed”, in RAIL, number 964, page 6
  3. (pharmacology) Not listed in a national pharmacopeia etc.

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