Introduction: the article presents a comprehensive analysis of the lexical-semantic field of the word atәm ‘bad’ in the Khanty language. It is considered its compatibility with various classes of nouns, dialect variations (Kazym, Shuryshkar, Ural, Surgut dialects), as well as phraseological and cultural connotations. Particular attention is paid to the role of the lexeme atәm in the formation of a negative assessment in the Khanty language picture of the world. Objective: to identify the structure and composition of the lexical-semantic field of the word atәm ‘bad’ in the Khanty language, establishing its semantic connections and features of use in the dialects of the Khanty language. Research materials: the empirical basis of the study was the card index composed of examples of bilingual dictionaries in the Khanty language, folklore collections, and field materials of the author. Results and novelty of the research: the study of evaluative vocabulary in the structural and semantic aspect plays a key role in understanding the system organization of a language, since it allows us to reveal the relationship between the formal structure of language units and their axiological content. The adjective atәm ‘bad’ in the Khanty language is a universal mean of expression of negative assessment in various fields: physical condition, appearance, character, aesthetics. It reflects the cultural norms, worldview and value system of the Khanty people. The wide compatibility of this adjective describes harmful, undesirable or poor quality, it combines practical unsuitability, moral condemnation and spiritual danger. In the language picture of the world, through the word atәm, ideas about norm, good and evil, sacred and profane are expressed. Thus, the word atәm is an important element of the Khanty worldview, reflecting a synthesis of practical, ethical and spiritual assessments. The scientific novelty of the study lies in a comprehensive analysis of the word atәm ‘bad’ in the Khanty language, revealing its role as a universal cultural and worldview marker. For the first time in the structural and semantic aspect, the lexical-semantic field of the adjective atәm ‘bad’ in the dialects of the Khanty language is considered.