Mad″ness, n. [From Mad, a.] 1. The condition of being mad; insanity; lunacy.
2. Frenzy; ungovernable rage; extreme folly.
Syn. — Insanity; distraction; derangement; craziness; lunacy; mania; frenzy; franticness; rage; aberration; alienation; monomania. See Insanity.