The phonetic transcription of "unsanctioned" is /ʌnˈsæŋkʃənd/ in British English and /ʌnˈsæŋkʃənd/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "unsanctioned": unauthorized, unapproved, illegal, unofficial, prohibited, forbidden.
Example usage of "unsanctioned": "The party was unsanctioned, so the police shut it down.". More examples on the page.