nykyaikaisellenykyaikaisilla
Nykyaikaisellenykyaikaisilla is not a standard Finnish word. It is a constructed, highly unusual string formed by combining inflected forms of the adjective nykyaikainen (modern): nykyaikaisella and nykyaikaisilla. The term is sometimes cited in linguistic discussions as an example of how long compounds can arise in Finnish through affixation and the lack of mandatory word boundaries in written form. It has no dictionary entry or established meaning beyond the surface string.
Morphology and parsing theories
The word can be viewed as two adjacent inflected forms without a space: nykyaikaisella (on or with
In practice, nykyaikaisellenykyaikaisilla serves mainly as a curiosity in discussions of Finnish morphology, word formation, and
Finnish language, compound words, agglutinative morphology, Finnish orthography.