Grungy/ˈɡrʌndʒi/ Definition 1 of 2Pro Tip 1/3Not Complimentary Used to describe something negatively, suggesting poor condition or lack of cleanliness. That hotel room was grungy and uncomfortable. Pro Tip 2/3Informal Usage Mainly used in informal situations. Avoid in formal writing or speech. Tom's grungy sneakers should stay off the clean couch. Pro Tip 3/3Visual Impact Invokes a strong visual image of dirt and disorder. Her backpack was covered in grungy stickers and mud.