Meaning of the word unacknowledged in English

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

unacknowledged

US /ˌʌn.ækˈnɑː.lɪdʒd/
UK /ˌʌn.əkˈnɒl.ɪdʒd/

Adjective

1.

not recognized or accepted as true or valid

Example:
His contributions to the project remained largely unacknowledged.
There was an unacknowledged tension in the room.
2.

not returned or responded to

Example:
Her letter of complaint went unacknowledged for weeks.
He felt his efforts were unacknowledged by his superiors.