a. [ Pref. in- not + conceivable: cf. F. inconcevable. ] Not conceivable; incapable of being conceived by the mind; not explicable by the human intellect, or by any known principles or agencies; incomprehensible;
It is inconceivable to me that a spiritual substance should represent an extended figure. Locke.
--
The inconceivableness of a quality existing without any subject to possess it. A. Tucker. [ 1913 Webster ]