source: [イエーイ！！｜無料GIF画像検索 GIFMAGAZINE 3882666]

1. a great victory or achievement:

«…に対する» (苦労･努力などの末の)勝利; 成功; 偉業 «over, for»

e.g. a garden built to celebrate Napoleon's many triumphs.

the state of being victorious or successful:

e.g. the king returned home in triumph.

joy or satisfaction resulting from a success or victory:

勝利［成功］の喜び［による満足感］, 勝ち誇ること

e.g. “Here it is!” Helen's voice rose in triumph.

a highly successful example of something:

〖通例a ～〗 賜物（たまもの）.

e.g. the marriage had been a triumph of togetherness.

2. the processional entry of a victorious general into ancient Rome.

(古代ローマの)凱旋(式)

verb no object

1. achieve a victory; be successful:

｟かたく｠ (苦労･努力などの末に) «…に対して/…することに» 勝利［成功］を収める «over/in doing» ; 【困難などを】克服する «over»

e.g. spectacle has once again triumphed over content.

rejoice or exult at a victory or success:

«…に対して» 勝ち誇る «over» ; 勝利［成功］に喜ぶ.

e.g. “There!” triumphed Alima.

2. (of a Roman general) ride into ancient Rome after a victory.

(古代ローマで)凱旋する

late Middle English: from Old French triumphe (noun), from Latin triump(h)us, probably from Greek thriambos ‘hymn to Bacchus’. Current senses of the verb date from the early 16th century.