Responsibility means you must take care of something or someone. It is your job to do it well and safely.
It is my responsibility to feed the dog.
She has responsibility for the whole team.
Responsibility here means you must explain or answer for your actions. If something goes wrong, you may be blamed or punished.
The manager has responsibility for the loss.
Parents have responsibility for their children.
This meaning is about a job or something you must do. It is your duty to complete it or manage it.
Cleaning the kitchen is your responsibility.
He took responsibility for the new project.
This use means the job or area a person controls at work. It is what they must handle or make decisions about.
Her responsibility is to manage sales.
The team's responsibility is product quality.
Responsibility here means someone can be trusted to do the right thing. They act carefully and honestly.
He showed great responsibility in his studies.
Responsibility is important in a leader.
Responsibility here is about making choices and accepting the results. It means being morally right or wrong for what you do.
Free will requires responsibility for choices.
Ethics asks about human responsibility.
This use means a person or group must pay or fix a problem because the law says so. It is a legal obligation.
The company has responsibility for the accident.
He accepted responsibility in court.