unwashed

adjective

1. not cleaned or purified by or as if by washing: unwashed dishes; the unwashed soul of a sinner.
2. pertaining to or characteristic of the common people; untutored, unsophisticated, or ignorant; plebeian: the power of the unwashed electorate.

noun

3. (used with a plural verb) an ignorant or lower-class group; rabble (usually preceded by the): The author claimed that the unwashed would not understand his books.

adjective

1. not washed

pl n

2. the great unwashed jocular, derogatory the masses

adj.late 14c., from un- (1) “not” + past participle of wash (v.). Noun sense of “the lower class” is attested from 1830.