Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
neandertal is an adjective and noun meaning "relating to or belonging to or resembling Neanderthal man". It carries 3 recorded senses.
relating to or belonging to or resembling Neanderthal man
“Neanderthal skull”
extinct robust human of Middle Paleolithic in Europe and western Asia
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for neandertal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.