subhuman [sʌbˈhjuːmən]adjective 3noun 2forms 3 adjective3 •Less than human. •As asserted of animals.We say dolphin intelligence is subhuman; I suspect dolphins say our intelligence is subdolphin.In the belief system of his day, chimpanzees were described as subhuman and asserted to be incapable of feeling pain. •(offensive) As asserted of humans.A secret to Nazi power was that anyone from the ingroup could be turned upon and labeled as subhuman scum when some alleged Jewish ancestry was suddenly "discovered". noun2 •(offensive) Any sentient creature that is subhuman. •A man who ranks at the bottom percentile or decile of SMV; a truecel formssubhumans · more subhuman · most subhuman