jubilant

JOO-bih-lunt

meaning in plain English

Feeling really, really happy and excited, like when something great happens and you can't stop smiling.

Picture a jubilant kid jumping on a trampoline after winning ice cream—so happy he can't stop grinning.

for example

The crowd was jubilant when their team won the championship.

Imagine your best friend just surprised you with tickets to your favorite concert. You’d jump up and down, shout, and feel so full of joy that you couldn’t sit still—that’s being jubilant. It’s not just a little happy; it’s the kind of happiness that bursts out of you.