Added 9 October 2026 macbeth noun Categories: PeopleUncommon Words noun ! Definition from WordNet 3.1, Princeton University. More about macbeth at Wordnik → Where our words come from → King of Scotland (died in 1057). Related Words: ladyevansmurdererregicideusurpertyrantkillerassassinbutcherruthlessambitiousparanoid Back to today's word