1. [n]  extinct robust human of Middle Paleolithic in Europe and western Asia
2. [adj]  ill-mannered and coarse and contemptible in behavior or appearance; "was boorish and insensitive"; "the loutish manners of a bully"; "her stupid oafish husband"; "aristocratic contempt for the swinish multitude"
3. [adj]  relating to or belonging to or resembling Neanderthal man; "Neanderthal skull"

NEANDERTAL is a 10 letter word that starts with N.