Meaning : The social force that binds you to the courses of action demanded by that force.
Example :
We must instill a sense of duty in our children.
Every right implies a responsibility; every opportunity, an obligation; every possession, a duty.
Synonyms : duty, obligation
Meaning : The proper sphere or extent of your activities.
Example :
It was his province to take care of himself.
Synonyms : province
Meaning : A form of trustworthiness. The trait of being answerable to someone for something or being responsible for one's conduct.
Example :
He holds a position of great responsibility.
Synonyms : responsibleness
A form of untrustworthiness. The trait of lacking a sense of responsibility and not feeling accountable for your actions.
irresponsibility, irresponsibleness