Responsibility is a crucial term in our daily lives. It refers to the sense of duty, accountability, and liability towards a particular task, role, or relation. There are several synonyms for responsibility, including obligation, duty, task, burden, accountability, commitment, charge, and liability. Obligation implies a moral or legal duty to do something. Duty refers to a responsibility towards a particular role or task. Task means an assigned duty or work. Burden implies a weighty responsibility that is difficult to carry. Accountability means being answerable for one's actions. Commitment refers to an obligation to fulfill a promise or pledge. Charge implies a responsibility given by authority. Lastly, liability means legal responsibility for something. Knowing these synonyms will help you to use them interchangeably in your daily communication.