pro·le·tar·i·an (prō'lĭ-târ'ē-ən) adj. Of, relating to, or characteristic of the proletariat. n. A member of the proletariat; a worker.
[From Latin prōlētārius, belonging to the lowest class of Roman citizens (viewed as contributing to the state only through having children), from prōlēs, offspring; see al-2 in Indo-European roots.] pro'le·tar'i·an·ism n.