Option 1 -> Humble means modest and unassuming, which is the opposite of supercilious.
Option 2 -> Cheerful means happy and optimistic, which is unrelated to the meaning of supercilious.
Option 3 -> Arrogant means having an exaggerated sense of superiority, which closely matches supercilious.
Option 4 -> Compassionate means showing sympathy and concern for others, which contradicts the haughty nature of supercilious.
Hence, Option 3: Arrogant -> Supercilious describes someone who behaves as though they are superior to others, displaying a disdainful or condescending attitude, which is precisely what arrogant conveys -> correct