The antonyms for the word "bad-tempered" are numerous as it denotes a negative or angry disposition. Words like good-natured, cheerful, amiable, pleasant, genial, affable, kind, outgoing, friendly, and warm-hearted can be used to describe a person with a positive attitude. A good-humored person is amicable, easy-going, and has a pleasant personality. Such individuals are not easily riled up or disturbed and adjust to circumstances gracefully. They are empathetic and kind, and their positivity spreads to those around them. Therefore, it is always encouraging to have good-humored friends and colleagues as they make life more enjoyable and optimistic.