nonunion

adjectives

not belonging to or not allowing affiliation with a trade union
"nonunion carpenters"; "a nonunion contractor"
nonunion
antonym
union
is similar to
not requiring union membership
"an open shop employs nonunion workers"
open
is similar to
not affiliated in a trade union
"the workers in the plant were unorganized"
nonunionised, nonunionized, unorganised, unorganized