jubilant Meaning, Definition & Usage

  1. adjective satellite joyful and proud especially because of triumph or success
    triumphal; rejoicing; prideful; triumphant; exulting; exultant.
    • rejoicing crowds filled the streets on VJ Day
    • a triumphal success
    • a triumphant shout
  2. adjective satellite full of high-spirited delight
    elated; joyful; gleeful.
    • a joyful heart

WordNet

Ju"bi*lant adjective
Etymology
L. jubilans, -antis, p. pr. of jubilare to shout for joy: cf. F. jubila. See Jubilate.
Definitions
  1. Uttering songs of triumph; shouting with joy; triumphant; exulting. "The jubilant age." Coleridge.
    While the bright pomp ascended jubilant. Milton.

Webster 1913