keeruliste
Keeruliste is the genitive plural form of the Estonian adjective keeruline, which means complex, complicated, or difficult. In Estonian, adjectives decline to agree with the noun in case and number, so the genitive plural form of keeruline is keeruliste. This form is used to describe nouns that are in the genitive plural or to compose attributive phrases in which the head noun requires a genitive plural modifier. Examples include keeruliste probleemide lahendamine (solving of complex problems), keeruliste olukordade hindamine (assessment of complex situations), and keeruliste seaduste rakendamine (implementation of complex laws).
Keeruliste is commonly found in formal or technical language, such as academic writing, policy documents, and
Etymologically, keeruline is a standard Estonian adjective meaning complex, and keeruliste is its inflected genitive plural