Adjective
[[]][Having won a battle or contest; victorious.]
The triumphant army marched back into the city.
Adjective
[[]][Feeling or expressing great happiness or joy after a victory or achievement.]
She gave a triumphant shout when she crossed the finish line.
Adjective
[[]][Having a feeling of superiority or pride after achieving success.]
He had a triumphant look on his face after winning the debate.