Hominidae ho·mi·ni·dae uncommon noun 1. modern man and extinct immediate ancestors of man Synonymsfamily Hominidae Related words Broader terms mammal family Parts Anthropoidea Part of hominidgenus Homogenus AustralopithecusPlesianthropusgenus SivapithecusDryopithecusOuranopithecusLufengpithecus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.