be duty bound(redirected from is duty bound)
be duty bound
To be obligated or expected to do something. Now that our parents are dead, I'm duty bound to care for my siblings. As a parent, you are duty bound to protect your child.
be duty bound to do something
if you are duty bound to do something, you have to do it because it is your duty The government is duty bound to compensate those who lost money. I've been given a certain amount of training so I feel duty bound to stay in the job for at least a year.