grunge /ɡrʌndʒ/ noun [uncountable]
[Date: 1900-2000; Origin: grungy]

1. a style of fashion and music popular with young people in the 1990s, involving loud electric music and dirty clothes, hair etc:
grunge rock

2. American English informal unpleasant dirt:
What’s all that grunge in the bathtub?
—grungy adjective:
a pair of grungy trainers

[TahlilGaran] Dictionary of Contemporary English ▲