rejoicing re·joi·cing UK/ɹɪˈd͡ʒoɪ.sɪŋ/ US/rɪˈdʒɔɪsɪŋ/ uncommon noun (2) adjective (1) noun 1. a feeling of great happiness 2. the utterance of sounds expressing great joy Synonymsexultationjubilation adjective 1. joyful and proud especially because of triumph or success “rejoicing crowds filled the streets on VJ Day” “a triumphal success” “a triumphant shout” Synonymsexultantexultingjubilantpridefultriumphaltriumphant Similarelated Related words Word family jubilaterejoiceexult Broader terms utterancehappiness WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.