primary insurerglossary / primary insurer An insurer who is contractually committed to settling a claim up to the applicable policy limit before any other insurer becomes liable for any part of the same claim. See excess insurer. 词条贡献者 资深译员Walker,毕业于亚洲一流的高级翻译学院,擅长翻译各类与尽职调查相关的法律文件。