Added 10 October 2026 co-discoverer noun Categories: PeopleObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about co-discoverer at Wordnik → Where our words come from → Someone who is the first of two or more people to discover something. Related Words: discovererdiscovererscoauthorcofounderdiscoveriesdiscoverydiscovereddiscoveringcoauthoredcollaboratororiginatordiscover Back to today's word