jubilantly,adv.|ˈdʒuːbɪləntlɪ| [f.prec. + -ly2.] In a jubilant manner, with demonstrations of joy, exultantly, gladly. 1868Holme Lee B. Godfrey xlix. 272 She was welcomed..by the children jubilantly.1884Harper's Mag. Aug. 472/1 The shout is jubilantly renewed.