(a.) Beyond of different from what is natural, strange; inexplicable; extraordinary\; uncommon; irregular; abnormal; as, a preternatural appearance; a preternatural stillness; a preternatural presentation (in childbirth) or labor.

aberrant anomalous arcane atypical deviant deviative eerie esoteric extramundane extraterrestrial fey heteroclite hypernormal hyperphysical miraculous mysterious nonnatural numinous occult otherworldly preterhuman preternormal pretersensual psychic spiritual superhuman superior supermundane supernatural supernormal superphysical supersensible supersensual supramundane supranatural transcendental transmundane unearthly unhuman unnatural unrepresentative untypical unworldly