mad

/mæd/
adjective
  1. Very angry.
    • My mom was mad when I broke the window.
    • He got mad at the driver who cut him off.
    • She was so mad she couldn't speak.
  2. Mentally ill; insane.
    • The king was known to be mad, but he still ruled the kingdom.
    • In the past, people with mental illness were often called mad.
    • The character in the story went mad from loneliness.
  3. Very enthusiastic or excited about something.
    • He's mad for chocolate ice cream.
    • She's mad about vintage cars.
    • The fans were mad with joy when their team won.
  4. Wild, uncontrolled, or very foolish.
    • We had a mad party that lasted all night.
    • It was a mad idea to try to climb the mountain in winter.
    • The crowd made a mad rush for the exit.
Antonyms
adverb
  1. Very; extremely (informal, used for emphasis).
    • He's mad talented at playing guitar.
    • We had a mad fun time at the beach.
    • That movie was mad good.