The present article analyzes the individual style of the famous Russian philosopher, writer, prose writer, and journalist, Vasily Vasilyevich Rozanov. It is proved that the writer's idiostyle is unique in Russian literature of the late 19th and early 20th centuries. The formation of an individual style took place in three stages. At the first stage, the philosophical treatise "On Understanding" was created, in which the categories of knowledge, wisdom, etc. were subjected to philosophical analysis. At the second stage, Rozanov's individual style, the critic, was formed. In this period, the individual style is characterized by inconsistency. At the third stage, Rozanov's individual style is formed, a prose writer, the key characteristics of whose style were unsystematic, contradictory and antinomic.