無防備都市 むぼうびとし Meanings Noun open city; defenseless city Kanji 無 without. Read as ム. 防 defend. Read as ボウ. 備 prepare 都 metropolis 市 city. Read as シ. Words containing 無防備都市 無防備都市宣言 (むぼうびとしせんげん) open city declaration Jinuma: Japanese Dictionary · Word lists