To begrime; to cake with dirt.

A contorted facial expression, often expressing contempt or pain. / (obsolete) Affectation, pretence.

(intransitive) To make grimaces; to distort one's face; to make faces.

present participle of grimace

The act of making a grimace.

(now rare) Grim-looking, grim-natured.

In a grim manner.

Stained or covered with grime. / (music) From the urban musical genre called grime. / (slang) Morally corrupt, malicious, vile, or selfish; base or dirty; rotten.

comparative form of grimy: more grimy

superlative form of grimy: most grimy