Open English Wordnet
Nouns
(n)Neandertal man, Neanderthal man, Neandertal, Neanderthal, Homo sapiens neanderthalensisextinct robust human of Middle Paleolithic in Europe and western Asia
Adjectives
(a)Neanderthal, Neanderthalian, Neandertalrelating to or belonging to or resembling Neanderthal man“Neanderthal skull”