The antonyms for the phrase "gangs around" can be various depending upon the context being used. If talking about criminal gangs, the antonyms can be phrases like "law-abiding citizens," "responsible community members," "peaceful neighborhood," etc. If referring to a group of people in general, opposite expressions could be "solitude," "individuals scattered around," "lone wanderers," etc. In some cases, the opposite of "gangs around" could also be "isolated areas," "untouched zones," or "vacant spaces." The antonyms vary as per the context in which the phrase is being used, but they all indicate a sense of separation from the concept of group formations or illegal gatherings.