mad in WordNet English dictionary

1. affected with madness or insanity
   "a man who had gone mad"
   brainsick  crazy  demented  disturbed  mad  sick  unbalanced  unhinged 
   
2. marked by uncontrolled excitement or emotion
   "a crowd of delirious baseball fans"; "something frantic in their gaiety"; "a mad whirl of pleasure"
   delirious  excited  frantic  mad  unrestrained 
   
3. very foolish
   "harebrained ideas"; "took insane risks behind the wheel"; "a completely mad scheme to build a bridge between two mountains"
   harebrained  insane  mad 
   
4. roused to anger
   "stayed huffy a good while"- Mark Twain; "she gets mad when you wake her up so early"; "mad at his friend"; "sore over a remark"
   huffy  mad  sore