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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.

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

That distance recurs often when he becomes a character in the story — almost as if he feels duty-bound to report his actions, but is unwilling to offer insight about himself.

From Los Angeles Times • Mar. 20, 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

“Nevertheless, we are duty-bound to ensure that a defendant in a criminal trial is not convicted based on insufficient evidence or erroneous jury instructions that were not harmless beyond a reasonable doubt.”

From Seattle Times • Jan. 31, 2024

By 1955, Paramount would be desperate to exit the field; Ernest, feeling duty-bound to help his financial partner reduce its exposure to losses, went on the road to help Paramount find a buyer.

From "Big Science" by Michael Hiltzik

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