1. in the sense of duty
- commitment
- duty
- moral imperative
- responsibility
- task
- function
- chore
- job
- commission
- assignment
- burden
- business
- onus
- charge
- accountability
- liability
- debt
- requirement
- office
- engagement
- trust
- devoir
- indebtedness
- compulsion
- necessity
- duress
- constraint
- pressure
2. in the sense of contract
Example Sentences of Obligation
1. He felt an obligation to help.
2. She has a legal obligation to comply.
3. It’s my obligation to assist others.
4. They fulfilled their obligation to society.