C2(an example of) uncontrolled and excited behaviour or emotion that is sometimes violent: In a frenzy of rage she hit him.the media frenzy over the royal weddingThe audience worked/whipped themselves up into a frenzy as they waited for her to come on stage.There was a frenzy of activity on the financial markets yesterday.In a moment of jealous frenzy, she cut the sleeves off all his shirts.Excitement, interest, energy and enthusiasm