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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:

That’s because managers of stock index funds are duty-bound to add a stock to their holdings once it’s added to the index they track.

From Los Angeles Times Jun. 9, 2026

To Williams, it hinted at a more menacing scenario — at secret ties between those who threaten the rule of the law and those duty-bound to enforce it.

From Salon Jan. 7, 2025

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

Simon Baker KC, representing the Post Office, said while the company was duty-bound to investigate the case based on evidence available at the time, the case "amounts to an abuse of process".

From BBC Jan. 25, 2024

The Bronchettes, no longer duty-bound to cheer and serve up those reedy, screechy screams, started dancing away with abandon, their faces fresh and unvarnished by lipstick or rouge powder.

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger

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

From Seattle Times Dec. 20, 2023

“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

In his resignation letter, Mr Raab says he feels "duty bound" to accept the outcome of the inquiry but describes its findings as "flawed".

From BBC Apr. 21, 2023

“I feel duty bound to accept the outcome of the inquiry,” Raab said in his resignation statement, adding that he was “genuinely sorry.”

From Washington Post Apr. 21, 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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