The antonyms for the phrase "think together" are "think independently," "think disjointedly," and "think separately." When people think independently, they don't collaborate or work together to achieve a shared goal. In contrast, thinking disjointedly suggests that a person's thoughts are scattered and unorganized, lacking coherence and structure. Thinking separately implies that people have different viewpoints, opinions, or objectives that may not align with one another. All these antonyms show that there are times when working alone, with different ideas, or with divergent opinions may be necessary or appropriate. However, collaborative thinking and "thinking together" have their value in fostering innovation, creativity, and teamwork.