unionized unionized /ˈjuːnjəˌnaɪzd/

adjective

1. Not converted into ions  ( nonionised [British] , nonionized , unionised [British] , nonionic , unionized )
   not converted into ions
   
2. Being a member of or formed into a labor union  ( organised [British] , organized , unionised [British] , unionized )
   being a member of or formed into a labor union
    Organized labor
   organized labor
    Unionized workers
   unionized workers
    A unionized shop
   a unionized shop