A duty or commitment; an act or course of action to which a person is morally or legally bound. noun
He felt a strong obligation to help his family in times of need.
The contract imposes an obligation on the company to complete the project by the end of the year.
The condition of being morally or legally bound to do something. noun
Citizens have an obligation to obey the law.
She was under no obligation to provide a refund, but she did so out of goodwill.
A debt of gratitude for a service or favor. noun
He expressed his obligation to his mentor for all the guidance he received.
After receiving help during a difficult time, she felt an obligation to return the favor.