The antonyms for the phrase "more hang loose" can include various terms that denote the opposite of being relaxed, carefree, and easy-going. Some suitable antonyms for this phrase could be uptight, rigid, tense, anxious, nervous, stressed, and concerned. These words convey a sense of being tightly wound, easily frustrated, and lacking in patience or a relaxed demeanor. In contrast to the casual, loose feeling associated with the phrase "more hang loose," these antonyms suggest a more stressed or pressured state of mind, characterized by a need for control, order, and structure. People who display these antonymous traits may struggle to let loose and enjoy themselves in social settings, preferring more controlled and predictable environments.