obligation
US /ˌɑblɪˈɡeʃən/
・UK /ˌɒblɪ'ɡeɪʃn/
B2
noun
- Duty to be done because of a law, rule or promise
other
- Fact of being forced morally to do something
Examples
I am under no obligation to tell you my name.
obligations arising from your contract of employment