1. required by duty or obligation; morally or legally binding
Usage: formal; often used in the phrase ‘bounden duty’

Examples

• It is our bounden duty to help those in need.
• The soldier felt a bounden obligation to serve his country.
• Parents have a bounden responsibility to care for their children.
• She considered it her bounden duty to tell the truth.
• The contract created a bounden commitment to complete the work.
• He felt bounden by his promise to his dying father.