an extinct species of human that was widely distributed in ice-age Europe between c.120,000 and 35,000 years ago, with a receding forehead and prominent brow ridges. The Neanderthals were associated with the Mousterian flint industry of the Middle Palaeolithic

an uncivilized, unintelligent, or uncouth person (typically used of a man)

the stereotype of the mechanic as a macho Neanderthal

relating to Neanderthals

a Neanderthal axe

uncivilized, unintelligent, or uncouth (typically used of a man)

they were pushed back by Neanderthal security guards

your attitude to women is Neanderthal