There was serious dysfunction in their team collaboration, which slowed down the project progress.

dysfunction 由前缀 dys-（表示"异常的、困难的"）和 function（功能）组成，字面意思是"功能异常"。在医学和社会学领域常指"功能障碍"，描述系统或器官不能正常运作的状态。