[in.ter.rog.a.tive] adj (15c) 1 a: used in a question b: having the form or force of a question
2: inquisitive, questioning -- in.ter.rog.a.tive.ly adv
[2]interrogative n (1522) 1: a word (as who, what, which) or a particle (as Latin -ne) used in asking questions
2: question 1a