ex·ult·ant \-nt\adjective Etymology: Latin exsultant-, exsultans, exultant-, exultans, present participle of exsultare, exultare : filled with extreme joy : manifesting triumphant elation : jubilant < he was exultant and could not conceal his delight — Sherwood Anderson > < the exultant laugh of youth — Ellen Glasgow > • ex·ult·ant·lyadverb