破は竹ちくはちくFreq.FrequencyTop 100,000Meanings1nounbreaking bamboo; splitting bambooAlmost exclusively used in the set phrase 破竹の勢い (irresistible force, like splitting bamboo). Rarely used as a standalone noun.「破は竹ちくの勢いきおい」という言こと葉ばは、竹たけが割われるように勢いきおいが止とまらないことを表あらわす。Expressions破は竹ちくの勢いきおいwith irresistible force; with great vigor