Pronunciation: (grunj),[key] —n.Slang. 1. dirt; filth; rubbish.
2. something of inferior quality; trash: He didn't know good music from grunge. 3. a person who works hard, usually for meager rewards; grind.
4. a style or fashion derived from a movement in rock music: in fashion characterized by unkempt clothing and in music by aggressive, nihilistic songs.