Blue-collar

Origin

From the color of rugged denim and chambray work shirts often worn by manual workers, as opposed to the white dress shirts typically worn by professionals and clerical workers.

Full definition of blue-collar

Adjective

1. Working class; engaged or trained in essentially manual labor.Blue-collar workers represent a diminishing segment of society.
• 2013, February 14, Scott Tobias, Film: Reviews: A Good Day To Die Hard, The blue-collar, vulnerable McClane of Die Hard wouldn’t even recognize the bulletproof, catchphrase-spouting superhero he’s become in the sequels.
2. Pertaining to the culture of blue-collar workers.Even as a tenured professor, she remained proud of her blue-collar values.