1. (

• unionize ,
• unionise ,

) recruit for a union or organize into a union; "We don't allow people to come into our plant and try to unionize the workers" ;

2. (

• unionize ,
• unionise ,
• organize ,
• organise ,

) form or join a union; "The auto workers decided to unionize" ;

1. (

• nonionized ,
• nonionised ,
• unionized ,
• unionised ,
• nonionic

) not converted into ions ;

2. (

• organized ,
• organised ,
• unionized ,
• unionised

) being a member of or formed into a labor union; "organized labor"; "unionized workers"; "a unionized shop" ;