Of a person: that works or labours; engaged in work; having paid employment. In later use also: engaged in manual or industrial work; working-class.

That labours or works; esp. (a) (of horses and cattle) used for agricultural work; (b) (of persons) performing hard (often unskilled) physical work…

Of a person or group of people: working with the hands; engaged in work involving physical rather than mental exertion.

Of a person: having a manual occupation; working at a trade. In later use: of or relating to manual occupations. Obsolete.

Belonging to or characteristic of people engaged in manual work, esp. regarded as a class, artisanal; vulgar, coarse. Now rare.

Of a person: employed in manual labour. Cf. manual, adj. 2.

Originally U.S. Of or relating to manual work or workers, esp. in industry. Of a person: employed in such work. Opposed to white-collar, adj.

Originally U.S. Of a place: inhabited by blue-collar workers. More usually: (of a person) that is a blue-collar worker. Cf. blue-collar, adj. 2…