Is Grungy A Word?

Is Grungy A Word? (of a person) feeling tired and dirty, or (of a thing) dirty: He showed up for the interview wearing some grungy old sweatshirt and jeans. What part of speech is grungy? part of speech:adjective definition: (slang) dirty, messy, run-down; unpleasant. Take off those grungy boots before you come in the house!That