eiepätosi
Eiepätosi is a Finnish word that translates to "untrue" or "false" in English. It is formed by combining the prefix "ei-" (not) with the word "epätosi" (false). Therefore, "eiepätosi" literally means "not false." This construction creates a double negative, which in Finnish can sometimes emphasize the truthfulness or correctness of something, similar to saying "definitely true" or "certainly not false."
The word is used in various contexts to negate a claim of falsehood. For instance, if someone