Wiktionary
a. Almost mythical; having certain qualities of a myth or legend.
Usage examples of "semimythical".
She was revived after nearly a hundred years by another semimythical figure of the Deathlands, Ryan Cawdor.
Their helmets used a comm system, originally developed by the semimythical Aldenata, that was understood to be impenetrably secure.
The building was one of the few made of stone and obviously old, not only pre-Fall but probably from the semimythical "settlement" period.
A tense moment—I’m about to enter the semimythical head office of the Linebarger Cats.
Joe flipped the pages to see what the semimythical Mord had to say about the Hierophant.
They were semimythical beings in his own time, legendary for their historic role in averting a bloody war between the Federation and the Klingon Empire decades before Picard’s birth.