忘恩 ぼうおん Meanings Noun ingratitude; thanklessness Kanji 忘 forget. Read as ボウ. 恩 favor. Read as オン. Example sentences 彼女が散々してやった挙げ句の果てが忘恩だった。All she got for her pains was ingratitude. Words containing 忘恩 忘恩行為 (ぼうおんこうい) act of ingratitude Jinuma: Japanese Dictionary · Word lists