0 past simple and past participle of dirty
1 to make something dirty:
His hands were never dirtied; his brain never taxed; he simply reaped the benefits of other people's labor.
My initial material for the fundamental sound consists of six pure sinus tones, which then by a surprisingly simple procedure are 'dirtied', namely 'metallised'.
Although we may not want crops dirtied by birds, we certainly do not want crops which will cause cancer in animals and human beings.
The only thing that has ever dirtied their hands is their own economic policy.
The cells are cleaned regularly but are promptly dirtied again.
He got his ticket dirtied because he, being a soldier while on leave and out of uniform, engaged in political activity.
If the articles which are dealt with in that trade are dirtied by dust they go into a lower category and fetch a smaller price.
I recollect one case of a naval commander who refused to let an aircraft take off from a catapult because it would have dirtied the quarter deck.