Unwashed (adjective)

Not cleaned or laundered; dirty.

Origin:

From un- (not) + washed (cleaned or laundered).

Examples:

1. The clothes were unwashed and had a bad smell.
2. He was an unwashed person and didn't take a shower for days.
3. The dishes were unwashed and piled in the sink.
4. The vegetables were unwashed and covered in dirt.
5. The windows were unwashed and covered in grime.