Ques″tion‐a‐ble (?), a. 1. Admitting of being questioned; inviting, or seeming to invite, inquiry.
Thou com'st in such a questionable shape
That I will speak to thee. Shak.
2. Liable to question; subject to be doubted or called in question; problematical; doubtful; suspicious.
It is questionable whether Galen ever saw the dissection of a human body.T. Baker.
Syn. — Disputable; debatable; uncertain; doubtful; problematical; suspicious.