The term "more phrenetic" denotes a state of heightened activity or excitement. However, its antonyms describe a more laid-back or relaxed state. Some antonyms may include calm, tranquil, peaceful, serene, still, quiet, or composed. These words denote a state of tranquility where there is no agitation or restlessness. They imply a level of calm or peacefulness. Other antonyms that describe a less frenzied state may include relaxed, easy-going, laid-back, unruffled, or unhurried. These words indicate a state of leisure or calm that is the opposite of the frenetic pace of life. Ultimately, the antonyms of the term "more phrenetic" suggest a sense of tranquility and calm in contrast to the frenzied activity implied by the original word.