Definition of jubilantly in English:

jubilantly

adverb

See jubilant

‘He announces jubilantly that the drinks are on him.’
  • ‘When I jubilantly told my friends at the BBC and elsewhere about this bolt from the blue, they were shocked.’
  • ‘When she and Cal found them there, she shouted jubilantly, ‘I knew you'd be here!’’
  • ‘‘I told you it was him,’ said a blond-haired girl, jubilantly.’
  • ‘Amber cried jubilantly as she skipped into the theatre.’