Running amok is a phrase used to describe a situation where a person loses control and behaves wildly. However, there are several antonyms for this term. The opposite of running amok can be described as behaving calmly, rationally, and sensibly. These traits exude self-control, discipline, and maturity. Instead of running amok, one can keep their composure, maintain decorum, and display a composed demeanor. Other antonyms for running amok may include being in control, keeping your cool, or having a clear head. Staying focused, level-headed, and relaxed is the key to avoiding running amok. By doing so, the atmosphere around you will become cordial and composed.