Pronunciation: (in"tu-rog'u-tiv), [key]
1. of, pertaining to, or conveying a question.
2. Gram.forming, constituting, or used in or to form a question: an interrogative pronoun, suffix, particle, or sentence.
Gram.an interrogative word, element, or construction, as who? and what?
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.