弱じゃく志しじゃくしMeanings1nounweak will; lack of determinationRefers to a person's weak resolve or easily swayed nature. Somewhat formal or literary; in casual speech, 意志が弱い is more common.彼かれは弱じゃく志しのため、すぐに誘ゆう惑わくに負まけてしまう。Because of his weak will, he quickly gives in to temptation.