Short-tempered is often used to describe someone who is easily irritated or angered. However, there are also many antonyms for this trait. Some examples include patient, calm, composed, relaxed, and even-tempered. Someone who is patient is able to remain calm and collected in frustrating situations, while a calm person is able to control their emotions and respond in a level-headed way. A composed individual is also able to maintain their composure and not let anger or frustration get the best of them. A relaxed person is able to let go of stress and tension, while an even-tempered individual is able to maintain a steady emotional state regardless of external circumstances.