/mad"n/ , v.t.
1. to anger or infuriate: The delays maddened her.
2. to make insane.
v.i.
3. to become mad; act as if mad; rage.
[ 1725-35; MAD + -EN 1 ]
Syn. 1. provoke, enrage, anger, inflame; exasperate, irritate, vex, annoy.
Ant. 1. calm, mollify.