Jubilant

adj.joyful, energeticformal

What it means

Showing intense public joy after a success, victory, or long-awaited event.

Reach for it when describing celebration at a genuine high point rather than everyday happiness

Jubilant supporters filled the square after the final result.

playful
on cloud nine
casual speech needs a vivid personal high
not when The idiom is too informal for news or formal recognition.
everyday
joyful
abundant happiness deserves a natural broad word
not when Joyful does not specifically signal victory or culmination.
warm
overjoyed
personal happiness is intense and heartfelt
not when Overjoyed fits individuals better than a crowd celebrating victory.
professional
celebratory
the public mood and activities mark success
not when Celebratory describes purpose and presentation, not necessarily emotion.
professional
triumphant
success and the sense of having overcome opposition are central
not when Triumphant can sound boastful and does not necessarily describe happiness.
formal
exultant
proud intense rejoicing follows achievement
not when Exultant can carry superiority over a defeated side.
literary
ecstatic
emotion is nearly overwhelming
not when Ecstatic is stronger and can overstate controlled public joy.

jubilant crowd
The jubilant crowd left a clear route for emergency vehicles.
jubilant mood
A jubilant mood spread when the rescue was confirmed.
jubilant response
The final chord received a jubilant response from the audience.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.