Synonyms for Unwashed (same or very similar meaning)
WordNet sense 1 (of or associated with the great masses of people):
common, plebeian, vulgarWordNet sense 2 (of humble birth or origins):
lowbornWordNet sense 3 (soiled or likely to soil with dirt or grime):
unclean, soiledFrom the ODE community, based on WordNetadd/edit