WordWeb Online

1. Marked by extreme anger
   "could not control the maddened crowd";
   - angered, enraged, furious, infuriated, ropeable [Austral, NZ], ropable [Austral, NZ]

1. Cause to go crazy; cause to lose one's mind
   - craze
    
2. Cause to become very annoyed; get on someone's nerves
    
3. Make mad
   "His behaviour is maddening"

See also: angry

Type of: anger, bedevil, crucify, dun, frustrate, rag, torment

Encyclopedia: Madden, MS