The paper discusses models of adaptation of nouns, adjectives, adverbs, verbs and particles borrowed from Serbian and Slovenian languages in the Hungarian language, and used by representatives of the Hungarian minority community in Vojvodina (Serbia) and Prekmurje (Slovenia). The following cases are analyzed: when Slavic lexical items are used with Hungarians morphemes, when Slavic items are used without these morphemes, as well as examples when loanwords from Serbian and Slovenian languages are used with Slavic morphemes. Adaptation occurs in accordance with the regularities of the Hungarian language. Special attention is paid to non-standard cases of adaptation: incomplete forms and constructions, contaminated forms. The data for analysis was collected by the author during his own field researches.