Grubby (adjective)

1. Dirty or soiled, especially with dirt that is difficult to remove.
2. Having a shabby or unkempt appearance.

Origin:

From the middle english word "grubbe", meaning dirty or soiled.

Examples:

1. The young boy's grubby hands were covered in mud from playing outside.
2. The grubby old doll had seen better days, with one eye missing and a torn dress.
3. She avoided the grubby alleyway, preferring to take the long way around.
4. The grubby streets were filled with litter and waste.
5. The grubby man was covered in grease and had not showered in days.