nonrestrictive

[ non-ri-strik-tiv ]
/ ˌnɒn rɪˈstrɪk tɪv /

adjective

not restrictive or limiting.
Grammar. descriptive of a modified element rather than limiting of the element's meaning: a nonrestrictive modifier. Compare restrictive(def 4).

Origin of nonrestrictive

First recorded in 1920–25; non- + restrictive

British Dictionary definitions for nonrestrictive

nonrestrictive
/ (ˌnɒnrɪˈstrɪktɪv) /

adjective

not restrictive or limiting
grammar denoting a relative clause that is not restrictive Compare restrictive (def. 2)