grubby

grubby old work clothes.

the grubby face of a young boy.

he was heavy, grubby, and vaguely disreputable.

has a grubby way of treating others.

officials getting their hands grubby with filthy lucre .

businesses who don't want to get their hands grubby with all the technical gubbins.

The boys in their grubby navy bow ties and blue uniforms were indistinguishably horrid—nose-pickers, thumbsuckers, snorers, neer-do-wells, farters, burpers, the unwashed and unclean.