パーキンソンの法ほう則そくMeanings1nounParkinson's lawThe adage that work expands to fill the time available for its completion. Used in business and productivity contexts.パーキンソンの法ほう則そくによれば、仕し事ごとは締しめ切きりまで膨ふくらむ。According to Parkinson's law, work expands to fill the deadline.