Stability of Phraseological Units: Structural, Semantic, and Morphological Aspects

This paper explores the concept of stability in phraseological units based on A.V. Kunin’s theoretical framework. It examines the main parameters that determine phraseological stability: frequency of use, structural and semantic consistency, lexical and morphological invariance, and syntactic rigidity. Through the analysis of idioms and fixed expressions, the study demonstrates how certain phraseological units resist modification and function as indivisible elements within the language system. The paper also discusses the difference between phraseological units and free word combinations, showing that idioms possess fixed forms and metaphorical meanings that cannot be recreated through grammatical models. The research emphasizes the role of idiomatic expressions in maintaining linguistic identity and expressive power in communication

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