adjective
R
A situation where two or more parties are competing against each other, often aggressively.
The sports teams had a rivalrous match, with each side determined to win.
スポーツチームは互いに勝ちを目指して情熱的な試合を行いました。
R
Feeling or showing a strong desire to compete with others, especially to be better or more successful.
She was always rivalrous, always trying to outperform her classmates in every subject.
彼女はいつもライバル心が強く、すべての科目でクラスメイトを凌ぐよう努力していました。
translation
ライバルの, 競争心強い