Added 9 October 2026 breton noun Categories: PeopleLanguageRare Words noun ! Definition from WordNet 3.1, Princeton University. More about breton at Wordnik → Where our words come from → A native or inhabitant of Brittany (especially one who speaks the Breton language). A Celtic language of Brittany. Related Words: celtbritonbritainbrittanywoodsdemontbretagnearmoricanbretonianbreizhbretonnevannetais Back to today's word