Antonyms for the phrase "most hot-and-bothered" include calm, cool, collected, composed, untroubled, unruffled, serene, tranquil, peaceful, relaxed, undisturbed, and unflustered. These words describe the opposite of being agitated, anxious, or tense. When someone is calm or composed, they are able to handle difficult situations with ease and grace. They do not let their emotions get the best of them and remain in control. Being able to remain composed in challenging circumstances is a valuable skill that can prevent misunderstandings and conflicts. So, if you ever feel hot-and-bothered, try to focus on staying calm and collected.