抜ばっ本ぽん改かい革かくばっぽんかいかくMeanings1nounfundamental reform; dramatic overhaulRefers to a thorough, root-and-branch reform, often used in political, economic, or organizational contexts.政せい府ふは税ぜい制せいの抜ばっ本ぽん改かい革かくを約やく束そくした。The government promised a fundamental reform of the tax system.