flaw in WordNet English dictionary

1. add a flaw or blemish to; make imperfect or defective
   flaw  blemish 
   

1. an imperfection in an object or machine
   "a flaw caused the crystal to shatter"; "if there are any defects you should send it back to the manufacturer"
   defect  fault  flaw 
   
2. defect or weakness in a person's character
   "he had his flaws, but he was great nonetheless"
   flaw 
   
3. an imperfection in a plan or theory or legal document that causes it to fail or that reduces its effectiveness
   flaw