octopoid adjective 2noun 1forms 3 adjective2 •Of, pertaining to, or resembling an octopus or octopod; octopuslike.Moving about in experiment or sitting motionless in study were scores of the most hideous Martians they had yet seen—octopoid creature with enormous staring eyes and eight black tentacles. — 1956 •Widespread; reaching across or penetrating large distances; controlling many things from a central point.This is how an octopoid 'controlled economy' generates a proliferating 'black economy'. — 1989 noun1 •An octopuslike creature.The blue octopoid made no protest as Denise pried open the disk. — 2013 formsoctopoids · more octopoid · most octopoid