Added 9 October 2026 bonehead /ˈbəʊnˌhɛd/ noun Categories: PeopleObscure Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about bonehead at Wordnik → Where our words come from → A stupid person; these words are used to express a low opinion of someone's intelligence. Origin From bone + head. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: duncelunkheadnumskullknuckleheadblockheadloggerheaddunderheadmuttonheadshitheadhammerheadbrickhead Back to today's word