- of, relating to, or conveying a question.
- forming, constituting, or used in or to form a question: an interrogative pronoun, suffix, particle, or sentence.
- an interrogative word, element, or construction, as who? and what?
- asking or having the nature of a question
- denoting a form or construction used in asking a question
- denoting or belonging to a class of words, such as which and whom, that are determiners, adjectives, or pronouns and serve to question which individual referent or referents are intended
- an interrogative word, phrase, sentence, or construction
- a question mark
