rejtélyes
Rejtélyes is a Hungarian adjective meaning mysterious or enigmatic. It derives from the noun rejtély, "mystery," with the suffix -es that forms adjectives describing a quality. In standard Hungarian, the word is used to describe people, objects, events, or phenomena that evoke mystery, and it can appear both attributively (rejtélyes jelenség) and predicatively (A dolog rejtélyes).
In culture and media, rejtélyes is commonly used in titles and descriptive prose to signal an atmosphere
The term is also relevant to learners of Hungarian as an example of an -es adjective and