1. A mark, fault, or weakness that impairs quality or integrity
There is a flaw in the diamond that reduces its value.
Há um defeito no diamante que reduz seu valor.
2. A weakness or imperfection in a person's character or abilities
His main flaw is his lack of patience.
Seu principal defeito é a falta de paciência.
3. A fault or error in reasoning, logic, or an argument
There is a logical flaw in your argument.
Há uma falha lógica no seu argumento.