Meaning of the word unapproved in English

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

unapproved

US /ˌʌn.əˈpruːvd/
UK /ˌʌn.əˈpruːvd/

Adjective

not officially accepted or agreed upon

Example:
The construction began with unapproved plans.
He used an unapproved method to complete the task.