flawed

adj

1. Having a flaw or imperfection.

   “Flawed diamonds are generally not used in jewellery.”

   “His design for a perpetual motion machine is flawed because water does not flow uphill.”

   “He presents Hitler’s rise as an element of the collapse of a republic confronting dilemmas of globalization with imperfect instruments and flawed leaders.”

   “Yet he was correct on every point, meaning that the Plan was deeply flawed from the start.”