impassable |
unsurpassable |
As adjectives the difference between impassable and unsurpassable
is that
impassable is incapable of being passed over, crossed, or negotiated while
unsurpassable is not surpassable; unable to be surpassed.
unsurpassable |
|
unbeatable |
unsurpassable |
As adjectives the difference between unbeatable and unsurpassable
is that
unbeatable is that cannot be beaten, defeated or overcome while
unsurpassable is not surpassable; unable to be surpassed.
As a noun unbeatable
is someone or something that can't be beaten.