najmodsze
Najmodsze is not a standard word in Polish. In most linguistic and reference sources it is treated as a misspelling or nonstandard variant of the superlative form of the adjective modny, which is najmodniejsze in common usage. The form najmodsze does not follow the established agreement patterns of Polish adjectives and is generally considered incorrect in formal writing.
The correct formation of the superlative for the adjective modny is based on the prefix naj- combined
Najmodsze is typically encountered only as a typographical error or in highly informal contexts, such as casual
Polish comparative and superlative formation, adjectives in Polish, and common misspellings in Polish orthography.