Dictionary definition · flaw
noun
- an imperfection in an object or machine"a flaw caused the crystal to shatter"
- defect or weakness in a person's character"he had his flaws, but he was great nonetheless"
- an imperfection in a plan or theory or legal document that causes it to fail or that reduces its effectiveness
verb
- add a flaw or blemish to; make imperfect or defective
Source: Open English WordNet (CC BY 4.0).