Ques"tion*a*ble (?), a. 1. Admitting of being questioned; inviting, or seeming to invite, inquiry. [R.]
Thou com'st in such a questionable shape That I will speak to thee.
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.
Syn. -- Disputable; debatable; uncertain; doubtful; problematical; suspicious.