Short-tempered refers to someone who is easily irritated or angered. Some antonyms for this word include being patient, calm, composed, or easygoing. People who are patient tend to remain calm in challenging situations and have the ability to wait for the outcomes. A calm person can maintain a peaceful and tranquil atmosphere, even during confrontations or heated discussions. Composed individuals are usually able to manage their emotions with grace and dignity. An easygoing personality is one that is relaxed and flexible, making them less prone to frustration and anger. All of these antonyms for short-tempered demonstrate qualities of emotional intelligence, self-control, and stress management.