·adj Mischievous; wanton; wicked.
II. Unhappy ·adj Marked by infelicity; evil; calamitous; as, an unhappy day.
III. Unhappy ·adj Not happy or fortunate; unfortunate; unlucky; as, affairs have taken an unhappy turn.
IV. Unhappy ·adj In a degree miserable or wretched; not happy; sad; sorrowful; as, children render their parents unhappy by misconduct.