Vulgarity

Vul*gar"i*ty (?), n. [Cf. F. vulgarité, L. vulgaritas the multitude.]

1. The quality or state of being vulgar; mean condition of life; the state of the lower classes of society. Sir T. Browne.

2. Grossness or clownishness of manners of language; absence of refinement; coarseness.

The reprobate vulgarity of the frequenters of Bartholomew Fair.
B. Jonson.