"jubiliant" is probably misspelled. Trying jubilant instead Definition of jubilant
1
[ adjective ] joyful and proud especially because of triumph or success

Examples

"rejoicing crowds filled the streets on VJ Day" "a triumphal success" "a triumphant shout"

2
[ adjective ] full of high-spirited delight

Synonyms

gleeful joyful elated

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