Refers to actual dirt, suggests lack of physical cleanliness or exposure to pollution. After gardening, my clothes are completely grimy.
Pro Tip 2/3
Manual Labor
Often associated with jobs or tasks involving physical work that can make someone dirty. The mechanic's face was grimy from hours spent under the hood.
Pro Tip 3/3
Negative Connotation
Suggests a negative, unkempt appearance, often evoking a sense of neglect. The abandoned house was surrounded by grimy windows.