When you feel jubilant, you're filled with tremendous joy and triumph. Jubilant describes that explosive, can't-contain-it feeling when something wonderful happens, a powerful surge of happiness that demands expression. A team that wins the championship after a close game feels jubilant. A student who just aced a test they studied hard for might feel jubilant walking out of the classroom.

The word captures both the feeling and how people show it. Jubilant people might jump up and down, shout with excitement, or throw their arms in the air. When a crowd is jubilant, you can hear the cheering and see the celebration.

Jubilant often follows hard work, long waiting, or overcoming something difficult. That's what makes it different from everyday happiness. You might feel happy eating your favorite dessert, but you'd feel jubilant if you finally mastered a difficult skateboard trick you'd been practicing for months. The word suggests that the joy comes from achievement or long-awaited good news, making the celebration that much sweeter.