Nonrestrictive

[,nɒnrɪ'strɪktɪv] or [,nɑnrɪ'strɪktɪv]

Definition

(adj.) not limiting the reference of a modified word or phrase; 'the nonrestrictive clause in `I always buy his books, which have influenced me greatly,' refers to his books generally and adds an additional fact about them' .

Checked by Elaine--From WordNet