WordNet (r) 3.0 (2006):

human race
    n 1: all of the living human inhabitants of the earth; "all the
         world loves a lover"; "she always used `humankind' because
         `mankind' seemed to slight the women" [syn: world, human
         race, humanity, humankind, human beings, humans,
         mankind, man]

Moby Thesaurus II by Grady Ward, 1.0:

22 Moby Thesaurus words for "human race":
   Adam, Hominidae, Homo sapiens, clay, fallen humanity, flesh,
   generation of man, genus Homo, hominid, homo, human family,
   human nature, human species, humanity, humankind, le genre humain,
   man, mankind, mortal flesh, mortality, mortals, race of man