rehelliselle
rehelliselle is a Finnish word that translates to "for the devil" or "hellish" in English. It is an adverb used to describe something that is extremely difficult, unpleasant, or wicked. The term can be used in various contexts, from describing a challenging task to a morally reprehensible action.
For instance, one might say a work project was "rehelliselle" if it was exceptionally demanding and stressful.
The word is derived from "piru" or "pete," which are Finnish words for devil. The "-lle" suffix