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Adjective: unauthorised  ún'o-thu,rIzd
Usage: Brit (N. Amer: unauthorized)
  1. Not endowed with authority
    - unauthorized
  2. Without official authorization
    "an unauthorised strike";
    - unauthorized, wildcat

See also: authorisation [Brit], authorization, illegitimate, mandate, self-appointed, unaccredited, unlicenced [Brit, non-standard], unlicensed, unofficial

Encyclopedia: Unauthorised