Unacquainted (adjective)

Not familiar with or knowing something or someone.

Origin:

The word "unacquainted" is formed by the prefix "un-" meaning "not" or "opposite of" and the verb "acquainted" meaning "to be familiar with or to know". it is used to indicate that someone has no knowledge or familiarity with something or someone.

Examples:

1. I'm unacquainted with the details of the situation.
2. He was unacquainted with the city, so he asked for directions.
3. The group of people were unacquainted with each other.
4. She was unacquainted with the new technology and needed help.
5. He was unacquainted with the music, but he enjoyed it.