Words similar to unassailable

Example sentences for: unassailable

How can you use “unassailable” in a sentence? Here are some example sentences to help you improve your vocabulary:

[I]f it finds unassailable barriers in its path, it accepts these philosophically and accommodates itself to them."
Gambling has become a widespread pastime for the simple and unassailable reason that it adds to the sum of human happiness.
Two months ago, the vice-president was thought to be so far ahead as to be unassailable.
One reason why: As a wronged wife, Hillary is unassailable by the media or the GOP.
The moral and economic arguments against rent control are pretty much unassailable.