Learn how to say Neanderthal correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word Neanderthal:
(also Neanderthal man) an extinct species of human that was widely distributed in ice-age Europe between circa 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.
Homo neanderthalensis; now usually regarded as a separate species from H. sapiens and probably at the end of a different evolutionary line
an uncivilized, unintelligent, or uncouth man:
the stereotype of the mechanic as a macho Neanderthal
relating to Neanderthals:
a Neanderthal axe
(of a man) uncivilized, unintelligent, or uncouth:
they were pushed back by Neanderthal security guards
mid 19th century: from Neanderthal, the name of a region in Germany (now Neandertal) where remains of Neanderthal man were found
Remember that Neanderthal begins with a capital N and ends with -thal.