overjoyed over·joyed UK/ˌəʊvəˈd͡ʒɔɪd/ US/ˌoʊvɚˈd͡ʒɔɪd/ uncommon obsolete adjective 1. extremely joyful Similarjoyful WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.