non·re·stric·tive 
/ˌnɑ:nrɪˈstrɪktɪv/ adjective
/ˌnɑ:nrɪˈstrɪktɪv/ adjective 1 : not limiting or controlling something
▪ It's a nonrestrictive diet that stresses eating smaller portions rather than not eating certain foods. ▪ You'll be moving around a lot, so wear nonrestrictive clothing. [=clothes that do not make it difficult to move freely] 2 grammar, of a word or group of words : describing or giving more information about a person or thing but not needed to understand which person or thing is meant
▪ In the sentence “My brother, who works at a restaurant, just got his first car,” “who works at a restaurant” is a nonrestrictive clause. — compare restrictive
▪ It's a nonrestrictive diet that stresses eating smaller portions rather than not eating certain foods. ▪ You'll be moving around a lot, so wear nonrestrictive clothing. [=clothes that do not make it difficult to move freely]
▪ In the sentence “My brother, who works at a restaurant, just got his first car,” “who works at a restaurant” is a nonrestrictive clause. — compare restrictive
