Yes, it is. The word inconceivable is based on the verb conceive meaning to imagine or create a concept. The -able form conceivable means able to be conceived, or (by extension) *possible*. The word inconceivable means unable to be thought up, and therefore impossible to exist or occur.
Of course, there is nothing absolutely inconceivable; but given limited knowledge, some things are not currently or readily conceivable.
The adjective "inconceivable" is used to describe a noun as impossible to imagine or believe; unthinkable.Example sentences:The man is very rich. He's amassed an inconceivable fortune.describes the noun "fortune"The amount of his wealth is inconceivable.predicate adjective following the linking verb; restates the subject noun "amount"
The adjective (inconceivable, unimaginable) would have the opposites conceivable or imaginable.
The duration of Inconceivable is 2520.0 seconds.
it was inconceivable to understand her with her mouth full.
Inconceivable - novel - was created in 1999.
Inconceivable ended on 2005-09-30.
Inconceivable was created on 2005-09-23.
Inconceivable - film - was created in 2008.
unbelievable, incredible, beyond belief,inconceivable, unthinkable, unimaginable; unconvincing, far-fetched, dubious,implausible, improbable, unrealistic; hard to swallow.
It was inconceivable to understand her with her mouth full.
The duration of Inconceivable - film - is 1.75 hours.
Happiness within sorrow is inconceivable.