1A setback or frustration: the discouragement or failure that occurs when plans or efforts do not succeed.
彼は夢を追いかけて努力したが、途中で挫折してしまった。
He worked hard to pursue his dream but ended up discouraged along the way.
資金不足でプロジェクトが挫折した。
The project was halted due to a lack of funds.
初めての失敗で挫折感を味わったが、立ち直った。
He felt discouraged by his first failure, but he recovered.