Explanation:

- Chivalrous: Typically means behaving in a courteous, gallant, or knightly manner. It refers to someone who is noble or brave in their actions.

- Option 1: Indignant: This means feeling or showing anger due to something perceived as unfair. It doesn’t relate directly as an opposite to chivalrous.

- Option 2: Valiant: Refers to someone showing courage or determination. This is similar to chivalrous, not an antonym.

- Option 3: Cowardly: Describes someone lacking courage, the direct opposite of brave or chivalrous.

- Correct Answer

- Option 4: Annoyed: Implies being irritated or slightly angry. This doesn’t directly oppose chivalrous.