unsanctioned

US /ʌnˈsæŋk.ʃənd/
UK /ʌnˈsæŋk.ʃənd/
1.

ไม่ได้รับอนุญาต

not officially allowed or approved:

:
•
Police detained several members of anti-government militia groups after an unsanctioned rally in the capital city.