Added 1 October 2026 blockhead noun Categories: PeopleRare Words In Latin: blennus, caudex, gurdus Wiktionary noun ! Definition from Wiktionary (CC BY-SA). More about blockhead at Wordnik → Where our words come from → A stupid person. Short for human blockhead verb To perform as a human blockhead. To behave in a stupid manner. Origin 1532, block (noun) + -head. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: dunderheadloggerheadnumskullknuckleheadlunkheaddunceboneheadmuttonheadshitheadhammerheaddoltmoron Back to today's word