相互確証破壊 そうごかくしょうはかい Meanings Noun mutual assured destruction; mutually assured destruction; MAD Kanji 相 mutual. Read as ソウ. 互 mutual 確 certain. Read as カク. 証 proof. Read as ショウ. 破 break 壊 destroy. Read as カイ. Jinuma: Japanese Dictionary · Word lists