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  • duty-bound
    duty-bound
    adjective
    morally obliged as a matter of duty
  • duty bound
    duty bound
    Obliged, as in You're duty bound to help your little brother. [c. 1900]
Synonyms

duty-bound

British  

adjective

  1. morally obliged as a matter of duty

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

duty bound Idioms  
  1. Obliged, as in You're duty bound to help your little brother. [c. 1900]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

By 1940, however, Trautman felt duty-bound to volunteer for military service, requesting “active duty with a library assignment” in the Army.

From The Wall Street Journal ● Oct. 6, 2026

“I’m drawn to police detectives, not private detectives,” he says, pointing to the duty-bound, badge-wearing protagonist in “Cure,” a Criterion-anointed classic now held in the same pantheon of serial killer tales as “Seven” and “Manhunter.”

From Los Angeles Times ● Jul. 30, 2026

In the world of Martin’s books, even the most duty-bound characters must find their compass in the shadow of life and memory.

From Salon ● Feb. 25, 2026

Sometimes, a patient makes an unconventional choice, but if the patient is competent and the request is fundamentally reasonable, the physician is duty-bound to comply.

From Slate ● Aug. 20, 2024

Then, suddenly, with one of her most audible sighs, she stood up and, grim and duty-bound, moved into the washstand area Zooey had vacated.

From "Franny and Zooey" by J. D. Salinger

But he added the force was duty bound to carry out its work as rigorously as possible.

From BBC ● Apr. 3, 2024

“The county prosecutors are duty bound to follow Ohio law,” he wrote, noting that the memo would suffice as he office’s only comment on the matter.

From Washington Times ● Dec. 20, 2023

He said he felt "duty bound" to accept the outcome of the inquiry but also staunchly defended his conduct.

From Reuters ● Apr. 21, 2023

That’s what we try to get them to do all the time, seeking to coax tiny morsels of information out of people we know are duty bound not to disclose it.

From Washington Post ● Feb. 8, 2023

To Aron’s questions he replied that he was working on a surprise and was duty bound to tell no one.

From "East of Eden" by John Steinbeck

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