1) Begrimed 2) Caked with crud 3) Covered in schmutz 4) Dingy 5) Dingy and grubby 6) Dirt-encrusted 7) Dirty 8) Filth-covered 9) Grubby 10) Grungy 11) Hard to clean 12) Hard to get clean 13) In need of a scrubbing 14) In need of deep cleaning 15) In need of soap 16) Like a grease monkey 17) Mean and unpleasant 1) Begrimed 2) Dingy 3) Dirty 4) Grubby 5) Grungy 6) Impure 7) Soiled 8) Squalid 9) Unclean 
• (superl.) Full of grime; begrimed; dirty; foul.
Grim'y adjective [ Compar. Grimier ; superl. Grimiest .] Full of grime; begrimed; dirty; foul.