human being /ˌhjuːmən ˈbiːɪŋ/ noun2 •A person; a large sapient, bipedal primate, with notably less hair than others of that order, of the species Homo sapiens.He began to reflect that in a few Minutes he might possibly deprive a human Being of Life, or might lose his own. — 1749 •Any member of the genus Homo, including extinct species.As Australopithecus evolved into the first human being, Homo habilis, and then into the species, Homo sapiens, we have evolved as social beings — 2002 formshuman beings