Grammar Of, relating to, or being a subordinate clause or phrase that identifies the noun, phrase, or clause it modifies and limits or restricts its meaning, as the clause who live in glass houses in People who live in glass houses shouldn't throw stones.
Main Entry: re·stric·tive Pronunciation: ri-'strik-tiv Function: adjective 1 a: of or relating to restriction b: serving or tending to restrict 2: prohibiting further negotiation —re·stric·tive·lyadverb —re·stric·tive·nessnoun