deficiency suitglossary / DEFICIENCY SUIT deficiency suit. An action to recover the difference between a mortgage debt and the amount realized on foreclosure. See deficiency judgment under JUDGMENT. [Cases: Mortgages 561. C.J.S. Mortgages § 949.] 词条贡献者 译者妍妍,毕业于亚洲顶尖的高级翻译学院,擅长翻译各种与科技、媒体和电信(TMT)相关的法律文件。