ADJ-GRADED [usually ADJ n](行为或时刻)有重大影响的(常指负面影响),决定性的 If an action or a time when something happened is described as fateful, it is considered to have an important, and often very bad, effect on future events. (行为或时刻)有重大影响的(常指负面影响),决定性的
It was a fateful decision, one which was to break the Government.