Hang loose is an informal phrase that connotes a relaxed and carefree attitude. Synonyms for this phrase include "chill out," "take it easy," "unwind," "let go," and "calm down." These terms are commonly used to encourage an individual to release their worries and stress and just enjoy the present moment. Another synonym for "hang loose" is "be at ease," which emphasizes the need for a relaxed state of mind. In essence, synonyms for "hang loose" convey the same message of relaxation and stress-free living, but with different tones and implications. It's up to the individual to choose the phrase that resonates best with their personality.