Unclean (adjective)

1. Not clean; dirty; unclean.
2. Not pure; impure; morally or spiritually unclean.

Origin:

From un- + clean, first recorded in the late 14th century.

Examples:

1. The kitchen was left unclean after the party.
2. The floors were unclean and needed to be mopped.
3. The water was unclean and not safe to drink.
4. The person was unclean and needed to take a bath.
5. The act was considered unclean and morally wrong.