Added 10 October 2026 onomantic adjective Categories: Obscure Words adjective ! Definition from Wiktionary (CC BY-SA). More about onomantic at Wordnik → Where our words come from → Of or relating to onomancy. Related Words: onomasticonomasiologicalonomatologicalnomisticonomasiologiconomatopoeiconomatopoeianonomatopoeialonomatopoeiousonomatopœictoponomasticantonomastic Back to today's word