Ill-tempered refers to someone who is easily angered or irritated. Antonyms of the word ill-tempered include calm, tranquil, happy, content, and peaceful. A calm person is someone who is steady and relaxed, while a tranquil person is serene and undisturbed. A happy person is typically cheerful and joyful, while someone who is content is satisfied and at ease. A peaceful person is someone who is free from conflict or disturbance. These antonyms of ill-tempered can help describe a person who is patient, positive, and easy-going. By focusing on the antonyms, individuals can better understand how to describe themselves or others in a way that is more uplifting and positive.