Uncleaned (adjective)

1. Not having been cleaned or tidied up.
2. Not having been washed or polished.

Origin:

Un- + cleaned.

Examples:

1. The kitchen was uncleaned and cluttered.
2. The dishes were uncleaned and still had food on them.
3. The uncleaned floors were sticky and dirty.
4. The uncleaned windows were smudged and dirty.
5. The uncleaned car was covered in dust and dirt.