Also, it is unacceptable for the military to pay more for cleaner fuels, but necessary for it to pay more for dirtier fuel.
I head back across town where the air is hotter, the streets are dirtier, and the hair is several shades darker.
And in an instant three or four slovenly-looking fellows, with dirty napkins in dirtier hands, surrounded him.
As a whole, I don't think it is any dirtier than most of the cities of Europe.
In many ways they are dirtier than the Chinese—notably in the preparation of their food.
He that fa's in a gutter, the langer he lies the dirtier he is.
The pavement grew rougher and dirtier, the houses and small shops that lined the street, shabbier and shabbier.
"I do not think I have ever seen a dirtier ruffian," said he.
He lowered himself into a rickety rocker and looked out through the dirtier window at the dirty town.
He always moves on to some place where it's hotter and dirtier.
c.1500, from dirt + -y (2). Earlier dritty (late 14c.). Meaning "smutty, morally unclean" is from 1590s. Of colors, from 1690s. Dirty linen "personal or familial secrets" is first recorded 1860s. Dirty work in the figurative sense is from 1764; dirty trick is from 1670s. The dirty look someone gives you is from 1928; dirty old man "superannuated lecher" is from 1932. Related: dirtiness.
1590s, from dirty (adj.). Related: Dirtied; dirtying.