adjective, grun·gi·er, grun·gi·est. Slang.

ugly, run-down, or dilapidated: a grungy, abandoned mill town.
dirty; filthy: a pair of grungy sneakers.

Origin of grungy

An Americanism dating back to 1965–70; grunge + -y1
Related formsgrun·gi·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for grungier


adjective -gier or -giest slang

mainly US and Canadian squalid or seedy
(of pop music) characterized by a loud fuzzy guitar sound
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for grungier



"sloppy, shabby," 1965, American English slang, perhaps a blend of grubby and dingy.

Online Etymology Dictionary, © 2010 Douglas Harper