Correct Answer: Defect

Solution : The correct choice is the third option .

Flaw is a minor fault or imperfection in something. Defect means a shortcoming or imperfection. Thus, it is the appropriate synonym for flaw .

The meanings of the other options are as follows:

• Display means to put something in a prominent place.
• Incorrect means wrong.
• Unkempt means having an untidy appearance.

Therefore, the correct answer is defect.