The article deals with the antonymic characteristics of word-forming motivation. Word-forming antonymy is manifested as the beginning of creating a new word in the language. In Kazakh linguistics, there are works on word-forming antonymy. But work is not considered that derivational antonyms is the beginning of enantiosemy. In the derivation of antonymy in the first place, motivated by the same root word. Because single-root words do not have any suffix, that is, they do not cover the grammatical meanings of other affixes. Therefore, it is quick and easy to relate to motivational relationships and is prone to semantic development. And if affixes are added, they also have the possibility of semantic development, but not so easily, as in the root and there will be no semantic development. Only twice gets into semantic development and is deprived of the possibility of further development. Because the affixes and their values inhibit the semantic development.