The article deals with the system of adjectives which denote the portrait characteristics of a person in the Modern Ukrainian Language. The semantic specific features of synonymic and antonymic relations of the adjectives which form a macrofield «Portrait Characteristics of a Person» have been analyzed. The microfield «Vertical Size» has been singled out in this macrofield. Lexical and semantic groups have been defined on the basis of integral and differential denotative and significant semes. Structural organization of lexical and semantic groups has been clarified as a result of semes analysis. The subject of the research concerns semantic and functional peculiarities of systematic relations of the Ukrainian adjectives which denote the portrait characteristics as constituents of a lexical and semantic field