jubilant
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$ \mathrm{jubilant} /ˈdʒuːbɪlənt/
adjective
feeling or showing great happiness because of a success
The fans were in jubilant mood after the victory.
TOPICS Success C2
Word Origin
mid 17th cent. (originally in the sense ‘making a joyful noise’): from Latin jubilant- ‘calling, hallooing’, from the verb jubilare, used by Christian writers to mean ‘shout for joy’.