a. [ L. jubilans, -antis, p. pr. of jubilare to shout for joy: cf. F. jubilant. See Jubilate. ] Uttering songs of triumph; shouting with joy; triumphant; exulting. “The jubilant age.” Coleridge. [ 1913 Webster ]
While the bright pomp ascended jubilant. Milton. [ 1913 Webster ]
adv. In a jubilant manner. [ 1913 Webster ]