Hysterical/hɪˈsterɪkl/ Definition 1 of 3Pro Tip 1/3Emotion Intensity Used to describe moments of extreme emotions that are hard to control. During the intense movie scene, Mark was hysterical with fear. Pro Tip 2/3Negative Situations Often used when there's a strong negative reaction to distressing events. She was hysterical when she lost her wedding ring. Pro Tip 3/3Not Insulting While it describes excessive emotion, it's not typically used as an insult. He wasn't being rude, just hysterical about his dog's illness.