This article examines the functionality of antonyms in the Uzbek language based on works of fiction. Antonyms as words with opposite meanings have become the subject of linguistic analysis relatively recently, and interest in the study of Uzbek antonymy is growing noticeably, as evidenced by the emergence of several special linguistic studies on antonymy, however, it should be noted that in the Uzbek language the problem of antonyms and antonymy is less developed than in the Russian language.