πολυφαντάστων
πολυφάνταστος, with many apparitions
Morpho works with a static database. If you like, you can compare the output of Morpheus.
Parsed as:
feminine genitive plural
masculine genitive plural
neuter genitive plural of
πολυφάνταστος
No checked forms of πολυφάνταστος in the morphology database.