dusty Play adjectiveCovered with, full of, or resembling dust. SYNONYMS befouledbegrimedbesmirchedchalkycruddycrumblydirtydust-covereddust-filledfriablegranulargranulatedgrimygrittygrottygrubbygrungygungymankymuckypowderysandyscungysmudgedsoiledsootyspottystaineduncleanundusted