unauthorised

1. Not endowed with authority (synset 300180786)
   also:

   • illegitimate - of marriages and offspring; not recognized as lawful
   • unofficial - not having official authority or sanction
   tells us about: authorisation, authorization, mandate - a document giving an official instruction or command
   similar to:

   • self-appointed - designated or chosen by yourself
   • unaccredited, unlicenced, unlicensed - lacking official approval
   same as: unauthorized
2. Without official authorization (synset 301638242)
   "an unauthorized strike"; "wildcat work stoppage"
   similar to: unofficial - not having official authority or sanction
   same as: unauthorized, wildcat

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