D defs.my
Entry 4 senses Webster, 1913

Unhappy

/ən-hăp'-ē/ · Un·hap·py · IPA /ʌnˈhæpi/
01 a. Not happy or fortunate; unfortunate; unlucky; as, affairs have taken an unhappy turn.
  1. 1.
    Not happy or fortunate; unfortunate; unlucky; as, affairs have taken an unhappy turn.
  2. 2.
    In a degree miserable or wretched; not happy; sad; sorrowful; as, children render their parents unhappy by misconduct.
  3. 3.
    Marked by infelicity; evil; calamitous; as, an unhappy day.
  4. 4.
    Mischievous; wanton; wicked.[Obs.]