Meaning of the word unintentional in English

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

unintentional

US /ˌʌn.ɪnˈten.ʃən.əl/
UK /ˌʌn.ɪnˈten.ʃən.əl/

Adjective

not done on purpose; accidental

Example:
It was an unintentional mistake, I assure you.
His comment caused some unintentional offense.