Antonyms for "more panting" include calm, relaxed, composed, collected, unperturbed, serene, tranquil, peaceful, placid, and untroubled. These words represent the opposite of being out of breath and can be used to describe a person who is not panting or gasping for air. For example, someone who is calmly sitting still and breathing normally would be the antithesis of "more panting." In a broader sense, these antonyms also connote emotional or mental states that are free from agitation or excitement. So, while "more panting" implies physical exertion or strain, its antonyms describe various degrees of bodily and mental ease.