Introduction. The article considers the concept of synthesis in the experience of love and suff ering. In the context of the study of the problem, the works of the Russian philosopher S. L. Frank turned out to be signifi cant. Theoretical analysis. The analysis of the notion of synthesis is carried out within the framework of the concept of the metaphysics of the all-unity of the thinker.The conceptual meaning of synthesis is determined in the ratio of antinomic parts of being. It is established that love and suff ering are feelings opposite in meaning.
