Meaning : Incapable of being explained or accounted for.
Example :
Inexplicable errors.
Left the house at three in the morning for inexplicable reasons.
Synonyms : inexplicable
Meaning : Difficult to understand.
Example :
The most incomprehensible thing about the universe is that it is comprehensible.
Synonyms : uncomprehensible
Capable of being comprehended or understood.
An idea comprehensible to the average mind.