Neanderthal UK /niːˈæn.dəˌtɑːl/US /niˈæn.dɚˌθɑl/adjective 4noun 3forms 2 adjective4 •Of or pertaining to Homo neanderthalensis.The capacity of the Neanderthal skull was 10% larger than that of modern humans. •(disapproving) Old-fashioned, opposed to change. •(disapproving) Primitive, savage or uncivilized. •Of or pertaining to the Neander Valley in Germany. noun3 •a member of an extinct species of strongly built humans who lived in Europe and parts of western Asia until about 40,000 years ago •a rough, rude and stupid person who behaves as if living in the time of the earliest humans •(offensive) a white person, seen as no better than a primitive early human formsNeanderthals · neanderthals