Correct Answer: Weak

Solution : The correct choice is the third option.

Feeble means lacking physical strength, and weak is a correct synonym for the word, as it has the same meaning because it also means someone lacking physical strength.

The meanings of the other options are as follows:

• Unheedful means not paying attention.
• Strong means having the power to perform physical tasks and is the opposite of feeble.
• Baneful means harmful or destructive.