土崩瓦解 どほうがかい Meanings Noun, する verb complete collapse; (something) going to pieces (breaking up beyond repair) Kanji 土 soil. Read as ド. 崩 collapse. Read as ホウ. 瓦 roof tile 解 undo. Read as カイ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists