|in+ adjective
Etymology: in- (I) + conceivable
1. : falling outside the limit of what can be comprehended, accepted as true or real, or tolerated: as
a. : impossible to comprehend in the absence of actual experience or knowledge : unimaginable
color is inconceivable to those born blind
b. : impossible to entertain in the mind : unthinkable
it is inconceivable that a thing can both be and not be
c. : impossible to accept as an article of faith : incredible , unbelievable
it is inconceivable that God should wantonly inflict suffering
2. : hard to believe or believe in
it is inconceivable that such losses should continue
inconceivable losses of revenue
• in·conceivableness “+ noun
• in·conceivably “+ adverb