society > occupation and work > working > association of employers or employees > [adjective] > non-union (3)
Not belonging to a society; spec. designating a worker who is not a member of a trade union, and an establishment in which such workers are employed.
Not belonging to a trade union; (of a company) not recognizing or allowing trade-union membership among its employees; (of work or goods) not done…
Having no trade union; not organized into trade unions; esp. (of a workplace) not recognizing or allowing trade-union membership among its employees.