Meaning of the word unsanctioned in English

What does unsanctioned mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

unsanctioned

US /ʌnˈsæŋk.ʃənd/
UK /ʌnˈsæŋk.ʃənd/

Adjective

not officially approved or authorized

Example:
The team participated in an unsanctioned tournament.
His actions were completely unsanctioned by the management.