triumphalism

/traɪˈʌmfəˌlɪzəm/
noun
  1. An attitude of great pride and satisfaction in one's own victory or success, often shown in a way that is annoying or offensive to others.
    • The country's triumphalism after the war made it difficult to build peace with its neighbors.
    • The team's triumphalism after winning the championship annoyed the opposing fans.
    • Some critics accused the politician of triumphalism when he boasted about the new law.
Antonyms
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