Definition of nonunion adjective from the Oxford Advanced American Dictionary

     

    nonunion

     adjective
    adjective
    NAmE//ˌnɑnˈyunyən//
     
    (non-unionized)[usually before noun]
     
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  1. 1not belonging to a labor union nonunion labor/workers
  2. 2 (of a business, company, etc.) not accepting labor unions or employing labor union members Many newly established businesses are nonunion.