responsibility

/rɪˌspɑnsəˈbɪləti/
noun
  1. The state or fact of being accountable for something or someone.
    • She accepted full responsibility for the mistake.
    • Parents have a great responsibility to care for their children.
    • It is your responsibility to lock the door at night.
  2. A duty or task that someone is required to do.
    • The job comes with many responsibilities.
    • One of his responsibilities is to train new employees.
    • Taking out the trash is a household responsibility.
  3. The quality of being reliable and trustworthy.
    • She was praised for her responsibility and hard work.
    • Responsibility is an important trait for a leader.
    • He showed great responsibility by finishing the project on time.