/ rɪˌspɒnsəˈbɪləti; NAmE -ˌspɑːn-/ noun ( pl. -ies )
1.
[ U , C ] responsibility (for sth / for doing sth) | responsibility (to do sth) a duty to deal with or take care of sb/sth, so that you may be blamed if sth goes wrong :
We are recruiting a sales manager with responsibility for the European market.
They have responsibility for ensuring that the rules are enforced.
It is their responsibility to ensure that the rules are enforced.
to take / assume overall responsibility for personnel
parental rights and responsibilities
I don't feel ready to take on new responsibilities .
to be in a position of responsibility
I did it on my own responsibility (= without being told to and being willing to take the blame if it had gone wrong) .
2.
[ U ] responsibility (for sth) blame for sth bad that has happened :
The bank refuses to accept responsibility for the mistake.
Nobody has claimed responsibility for the bombing.
—see also diminished responsibility
3.
[ U , C ] responsibility (to / towards sb) | responsibility (to do sth) a duty to help or take care of sb because of your job, position, etc. :
She feels a strong sense of responsibility towards her employees.
I think we have a moral responsibility to help these countries.