The term "buzz sessions" typically refers to group discussions or brainstorming sessions. Some antonyms for this word could include solitary work, individual contemplation, or independent thinking. These alternatives emphasize a more solitary approach to problem-solving or decision-making, rather than relying on the input and ideas of others in a group setting. Other antonyms might include isolation, introspection, or even silence. While buzz sessions can be effective for gathering diverse perspectives and ideas, sometimes a more focused and introspective approach may be necessary to achieve a certain outcome or gain clarity on a particular issue.