clearheadedness編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看clearheadednessclearheadedness — 名詞名詞1. the state of thinking in a rational and sensible way1.名詞釋義頭腦清晰the state of thinking in a rational and sensible way例句Her clearheadedness helped them solve the problem quickly.