- responsibility
- noun
1 IN CHARGE (U) a duty to be in charge of or look after something, so that you make decisions and can be blamed if something bad happens: She was given promotion and more responsibility. | have responsibility for: The Health Minister has overall responsibility for Britain's hospitals. | take responsibility for (=agree to be in charge of something or someone): My husband took full responsibility for organizing the trip. | assume responsibility for formal (=agree to be in charge of): Richard assumed responsibility for his brother's children. | accept responsibility for: The management accepts no responsibility for cars left in the car park.2 DUTY (C) a duty that you have, especially because you are in charge of something: The head of a large company has many responsibilities. | have a responsibility to do sth: Every citizen has a responsibility to vote. | it is sb's responsibility to do sth: It is your responsibility to check that all doors and windows are locked. | moral responsibility (=a duty to do something because it is morally right)3 BLAME (U) blame for something bad that has happened: accept/take responsibility: We refuse to accept responsibility for the breakdown of negotiations.4 sense of responsibility an ability to behave sensibly so that you can be trusted to do the right thing: Parents need to encourage a sense of responsibility in their children.5 a responsibility to sb a duty to help or serve someone because of your work, position in society etc: A doctor's first responsibility is to her patients.6 do sth on your own responsibility to do something without being told to do it or officially allowed to do it7 claim responsibility (for) to officially state that you are the person or organization that did something, especially an act of terrorism (=violence in order to get political power)
Longman dictionary of contemporary English. 2004.