(of a relationship) characterized by emotional closeness without romantic or sexual elements

прозаичный, платонический
relating or resembling the angles of the highest order

серафический, ангельский
(of a novel, etc.) written or made in a spooky and mysterious way and often focus on creepy places like old castles or haunted houses, with themes of darkness and the supernatural

готский, готический
intended for or understood by only a small, specialized group, often due to complexity or secrecy, similar to arcane

тайный
relating to or causing improvements of the properties of seeds or infants

евгенический
relating to a disease or condition that is commonly found in a specific area or group of people

эндемичный
relating to or aiding the memory, often by using memory-enhancing techniques or devices

мнемонический
relating to the sudden, reflective, and involuntary movement or contraction of muscles

спазматический
having the characteristics of a dramatic and theatrical performance

театральный
