grubby(noun, adjective) adjective1. infested with grubs2. thickly covered with ingrained dirt or soot- grubby little fingersSimilar word(s): dirty, soiled, unclean, begrimed, dingy, grimy, grungy, raunchySentences with grubby as an adjective:- He's a grubby little boy, always playing around by the stream. noun1. small sculpin of the coast of New EnglandDefinition categories: animal, sculpin