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
The builders failed to meet their contractual obligations.
I can't travel next month because of family obligations.