mad mad /ˈmæd/

adjective

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