There were crowds of jubilant people at Obama's Inauguration.
The jubilant young boy bought a lollipop from a street vendor.
You could tell that Jambo was jubilant because he was jumping and waving his tail all day.
The definition of "jubilant" is "triumphantly joyful: feeling or expressing great delight over a success, achievement, or victory." Used in a sentence: She was jubilant over her success in achieving...
feeling or expressing great happiness and triumph.