Inconceivable /(?)/
In·con·ceiv·a·ble
Inconceivable
a.
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Not conceivable; incapable of being conceived by the mind; not explicable by the human intellect, or by any known principles or agencies; incomprehensible; as, it is inconceivable to us how the will acts in producing muscular motion.
It is inconceivable to me that a spiritual substance should represent an extended figure.
The inconceivableness of a quality existing without any subject to possess it.