The phrase "group spirits" can be used to describe the general atmosphere or energy shared by a collective of individuals. Some synonyms for this phrase could include "collective mood," "shared energy," "common vibe," "team ethos," or "group mentality." These terms all convey a sense of shared emotions and attitudes among a group, whether they be positive or negative. Other phrases that capture the same idea could include "overall morale," "group psyche," or simply "group mood." Understanding and tapping into the group spirit can be helpful for achieving common goals and building strong relationships within a team or community.