Meaning & Definition
adjective
Not capable of being imagined or grasped mentally; unbelievable.
The idea that he could run a marathon after only training for a month seemed inconceivable.
Impossible to comprehend or fully understand.
It was inconceivable to her that someone could commit such an act of betrayal.
Difficult to believe; extraordinary.
The team's victory against such a strong opponent was truly inconceivable.
Etymology
From Latin 'inconcipibilis', meaning 'not able to be conceived'.
Common Phrases and Expressions
inconceivable circumstances:
Situations that cannot be understood or imagined.
an inconceivable number of options:
A number of choices so large that it is difficult to comprehend.
Slang Meanings
Hard to believe or understand.
That story is just inconceivable, man!
Out of this world, impossible in a realistic sense.
The amount of money he won is inconceivable!