口が裂けても くちがさけても Meanings Expression (not saying anything) no matter what (with neg. sentence) See also: 口が裂けても言えない (くちがさけてもいえない). Kanji 口 mouth. Read as くち. 裂 rip. Read as さける. Words containing 口が裂けても 口が裂けても言えない (くちがさけてもいえない) (I) won't say anything no matter what Jinuma: Japanese Dictionary · Word lists