0 (of people or beliefs) very old-fashioned and not willing to change:
He criticized what he described as the "neanderthal tendencies" of the right wing of the party.
1 relating to a type of primitive people who lived in Europe and Asia from about 150,000 to 30,000 years ago:
Neanderthal man
2 a type of primitive people who lived in Europe and Asia from about 150,000 to 30,000 years ago:
3 one of the ancient people who lived in Europe and Asia from approximately 30,000 to 150,000 years ago
Dietary deficiency or disease may have gradually pushed the Neanderthals to extinction.
DNA was recovered from the 30,000-year-old bones of a Neanderthal.
It's not a modern human. It's not a Neanderthal. It's something sort of halfway in between.