flawed

Flawed tests and funerals allowed Ebola to spread undetected, sources say This headline mentions how testing for detection was flawed or inaccurate.

Or do you think this theory is flawed as we cannot describe an entire personality in five parameters?

Then, Chirli jumps paws-first into another role we humans know intimately: flawed mother.

And the third factor in this is that many Americans have come to believe that our political system is just fundamentally flawed.