breach of covenantglossary / BREACH OF COVENANT breach of covenant. The violation of an express or implied promise, usu. in a contract, either to do or not to do an act. See COVENANT. [Cases: Contracts 312. C.J.S. Contracts § 561.] 词条贡献者 译者Virginia,毕业于一所培养高级翻译以及跨文化事务专家的精英大学,擅长翻译各种与私募股权融资相关的法律文件。