Added 10 October 2026 theion noun Categories: Obscure Words noun ! Definition from Wiktionary (CC BY-SA). More about theion at Wordnik → Where our words come from → the divine, especially a divine fire sulfur, especially in the context of fire and brimstone Origin From Ancient Greek θεῖον. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: theonymtheophorytheiaaeontheogonismdivinetheonymytheopoesistheophanytheomorphismphlegetondeity Back to today's word