HYSTERICAL

adj. 1 raving, mad, beside oneself, crazed, irrational, distracted, rabid, frantic, frenzied, wild, berserk, uncontrolled, uncontrollable, unrestrained, unrestrainable They are subject to violent, hysterical outbursts 2 hilarious, side-splitting, uproarious, farcical, comical, funny The absolutely hysterical sign in our Japanese hotel read, 'You are invited to take advantage of the chambermaid'