grimy
— Adjective
– English
~ thickly covered with ingrained dirt or soot; "a miner's begrimed face"; "dingy linen"; "grimy hands"; "grubby little fingers"; "a grungy kitchen"
grin
— Verb
– English
~ to draw back the lips and reveal the teeth, in a smile, grimace, or snarl
grin
— Noun
– English
~ a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement