What is the best definition of an appositive? a nonrestrictive phrase that modifies a noun a clause that modifies or explains a noun a noun or noun phrase that modifies a noun a noun clause that restricts the meaning of a noun

The best definition of an appositive is a noun or noun phrase that modifies a noun.

This grammatical construction usually sits next to another noun and modifies it by renaming it or describing it in another way. Appositives are generally offset with commas or dashes.

For example: My best friend, Gary, lost his keys.

a noun or noun phrase that modifies a noun