octopean
/ɒkˈtoʊpiən/Definitions
1. adjective
relating to or characteristic of a specific or unknown number of octopuses or octopus-like creatures
“The octopean creature’s camouflage abilities were unmatched in the ocean depths.”
2. noun
a hypothetical or fictional place or realm inhabited by octopuses or octopus-like creatures
“The legend spoke of an octopean kingdom hidden beneath the waves.”