The phrase "drew together" often connotes a sense of convergence or unity. The antonyms of this phrase would be words or phrases that convey a sense of divergence or separation. Some antonyms for "drew together" might include "pulled apart," "diverged," or "scattered." These terms could perhaps be used in the context of a community or a group that has experienced division, such as during a disagreement or conflict. Alternatively, they might be used more literally, as in describing the opposite motion of people coming together, such as a crowd dispersing. Whatever the context, using antonyms can add nuance and complexity to one's writing.