/traɪˈʌmfənt/
tri·umph·ant
BrE /traɪˈʌmfənt/
NAmE /traɪˈʌmfənt/
very successful in a way that causes great satisfaction
They emerged triumphant in the September election.
showing great satisfaction or joy about a victory or success
a triumphant smile
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tri·umph·ant·ly
BrE /traɪˈʌmfəntli/
NAmE /traɪˈʌmfəntli/