unwashed in WordNet English dictionary

1. of or associated with the great masses of people
   "the common people in those days suffered greatly"; "behavior that branded him as common"; "his square plebeian nose"; "a vulgar and objectionable person"; "the unwashed masses"
   common  plebeian  vulgar  unwashed 
   
2. not cleaned with or as if with soap and water
   "a sink full of unwashed dishes"
   unwashed