Tizzy/ˈtɪzi/ Definition 1 of 2Pro Tip 1/3Mild Distress Used to express a light, often short-lived state of worry or stress. He was in a tizzy over the possibility of being late. Pro Tip 2/3Not Severe Typically doesn't describe a serious or intense situation. She always gets in a tizzy before a test, but calms down once it starts. Pro Tip 3/3Personal Reaction Focuses on individual's inner feeling rather than an external event. I got into a tizzy thinking about all the chores I need to do.