Interrogative pronoun

/ɪntˈɛɹəɡətˌɪv pɹˈəʊnaʊn/

/ɪntˈɛɹəɡətˌɪv pɹˈoʊnaʊn/

a type of pronoun that is used to ask questions, representing the unknown or the thing being inquired about, such as "who," "whom," "whose," "what," and "which"

Examples

1. Other types include interrogative pronouns, like who, what, which, and whose.