Mad | Mean of mad in English Dictionary

/ˈmæd/

• very angry
1. If you keep teasing that dog, you'll make/get him mad.
2. She's mad at me. = (less commonly) She's mad with me.
3. What are you so mad about?
4. That guy makes me so mad!
5. She was mad at me for being late. = She was mad that I was late. = She was mad about my being late.
6. She was hopping mad. [=extremely angry]
• having or showing severe mental illness
1. (chiefly Brit) The man in the park was clearly mad.
2. a movie about a mad scientist
3. He was stark raving mad. [=completely insane] = (Brit) He was barking mad.
• unable to think in a clear or sensible way
1. He was mad [=insane] with jealousy/anger.
2. (chiefly Brit) They must have been mad [=crazy] to buy that house.
3. a power-mad prosecutor

• very foolish
1. (chiefly Brit) He made a mad decision to drive home in the storm.
• liking someone or something very much
1. She's mad for a cute boy in her class.
2. He's mad keen on sailing.
3. She's mad [=wild] about dancing.
4. He's mad [=crazy] about her.
• wild and uncontrolled
1. There was a mad [=frantic] rush when the store opened.
2. a mad scramble
• to cause (someone) to become mentally ill
1. Years alone in the jungle had driven him mad.
• to annoy or bother (someone) very much.
1. That noise is driving me mad!
• to become mentally ill
1. Sometimes I think the whole world has gone mad!
2. He had gone mad after years alone in the jungle.
• to act in a way that is out of control
1. The crowd went mad [=went crazy] when the team won the championship.
• with a lot of energy and speed
1. We've been working like mad [=like crazy] to get done on time.
• very quickly
1. Cars were selling like mad.
2. He's been spending money like mad.
• very much
1. She started shivering like mad.