Wiktionary
unblockable
a. Not blockable; that cannot be blocked.
Usage examples of "unblockable".
His blows were devastating and unblockable, and the few times a Demon's steel found a fleeting target, the pliable flesh healed itself in seconds.
They were determined to leave themselves a clear and unblockable line of retreat as they forced their way in to the mysteries below.
They were determined to leave them-selves a clear and unblockable line of retreat as they forced their way in to the mysteries below.