interrogatively

From interrogative + -ly.

interrogatively

1. In an interrogative manner; by means of a question.

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “interrogatively”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “interrogatively”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.