Dictionary

To make (something) dirty.

To stain or tarnish (somebody) with dishonor.

To debase by distorting the real nature of (something).

To become soiled.

Unclean; covered with or containing unpleasant substances such as dirt or grime.

Example: Despite a walk in the rain, my shoes weren't too dirty.

That makes one unclean; corrupting, infecting.

Example: Don't put that in your mouth, dear. It's dirty.

Morally unclean; obscene or indecent, especially sexually.

Example: At the reception, Uncle Nick got drunk and told dirty jokes to the bridesmaids.

Dishonourable; violating accepted standards or rules.

Example: He might have scored, but it was a dirty trick that won him the penalty.

In a dirty manner.

Example: to play dirty