Explanation:

- The word NINCOMPOOP refers to a person who is silly or foolish. It's often used in a humorous or gentle way to describe someone's lack of common sense.

- Option 1: Innocent

- Means free from sin or wrongdoing.

- Not related to silliness or being foolish.

- Option 2: Bold

- Describes someone who is daring or brave.

- Does not relate to foolishness or silliness.

- Option 3: Clever

- Indicates intelligence and quick thinking.

- The opposite of being foolish.

- Option 4: Foolish

- Means lacking good sense or judgment.

- Correct Answer: This is synonymous with nincompoop.