Unofficial

//ʌn.əˈfɪʃ.əl// adj

Definitions

Adjective
  1. 1
    Not officially established.

    "the unofficial results of the ballot"

  2. 2
    Not officially established.; Implicitly true but withheld and/or contradicted by authority.

    "The unofficial reason for invading the nation, however, was to control their resources."

  3. 3
    Not acting with official authority.

    "an unofficial adviser"

  4. 4
    Not listed in a national pharmacopeia etc.
Adjective
  1. 1
    not having official authority or sanction wordnet
  2. 2
    not officially established wordnet

Etymology

From un- + official.

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