Adjective jubilant has 2 senses
  1. exultant, exulting, jubilant, prideful, rejoicing, triumphal, triumphant - joyful and proud especially because of triumph or success; "rejoicing crowds filled the streets on VJ Day"; "a triumphal success"; "a triumphant shout"
    Antonym: dejected (indirect, via elated)
  2. elated, gleeful, joyful, jubilant - full of high-spirited delight
    Antonym: joyless (indirect, via joyous)
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