English definition of “mad”
CRAZY informal › stupid or crazy: [+ to do sth] You're mad to walk home alone at night.
ANGRY mainly US › angry: Were your parents mad at you when you came home late?
go mad › to become very angry: Dad'll go mad when he finds out you took the car. › to suddenly become very excited: When the band arrived on stage, the crowd went mad.
be mad about sb/sth informal › to love something or someone: She's mad about Hugh Grant. Jo's mad about skiing.
ILL › mentally ill
NOT CONTROLLED › not controlled: We made a mad dash for the exit.
like mad › If you run, work, etc like mad, you do it very quickly and with a lot of energy. › If something hurts like mad, it hurts a lot.