flawed
f lawd
- v add a flaw or blemish to; make imperfect or defective
 - s  having a blemish or flaw
                    
                        
                            
a flawed diamond 
- But Spider-Man's flawed hero fits naturally into a flawed world, where sometimes the best intentions and superdefenses fall tragically short.
 - Bringing these detainees to justice is too important for us to rely on a flawed system that has failed to convict anyone of a terrorist act since the 9-11 attacks, and compromised .
 - Alfred Kinsey's celebrated sex surveys in the 1940s and '50s were breakthrough studies, but they were methodologically flawed and didn't delve into the issue of teenage sex.