"Most badnatured" is a term used to describe someone who is ill-tempered and easily agitated. However, if you want to express the opposite of this, you can use antonyms such as "kindhearted," "friendly," "amiable," "good-natured," "pleasant," "affable," "cheerful," or "generous." These adjectives signify a person who is easy to get along with, welcoming, and accommodating. When you describe someone using these terms, you show that you admire their positive attitudes and behaviors towards others. By using antonyms, you create a clear contrast between two people or situations, highlighting the attributes of one by comparing it to another.