The phrase 'community of interest' refers to a group of people who share a common interest or goal, and work together towards achieving it. Antonyms for this term can be 'divergent', which means moving in different directions, or having different views, opinions, or goals. It could also be 'disjointed', which refers to being disconnected or not fitting together. Another antonym could be 'disconnected' or 'dissimilar', where people have distinct interests, opinions, or goals that do not align with each other. Lastly, 'apathetic' or 'indifferent' could be another antonym for community of interest, signifying a lack of passion, engagement, or involvement in a particular topic.