epäsäännöllisimmän
epäsäännöllisimmän is the superlative form of the Finnish adjective epäsäännöllinen, which translates to "irregular" or "unregular" in English. As a superlative, it signifies the highest degree of irregularity. The word is formed by adding the superlative suffix -immän to the adjective stem. In Finnish grammar, superlative forms are used when comparing three or more items or entities and identifying the one that possesses the quality to the greatest extent.
Therefore, epäsäännöllisimmän would be used in sentences to describe something as "the most irregular" or "the