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
How to use duty-bound in a sentence
That we know Earp not as a confidence man but as a duty-bound law officer was his most enduring and successful confidence game.The Wyatt Earp Myth: America’s Most Famous Vigilante Wasn’t | Andrew C. Isenberg | July 21, 2013 | THE DAILY BEAST
He was duty-bound, he said, to follow the gospel of helping the least among them.
The Starks are fatalistic, duty-bound, honorable but kind of unsophisticated.
He preaches his message with characteristic urgency, casting himself as a duty-bound martyr.
McLean informed Ivins that she was duty bound to report to the authorities any homicidal threat.
Succor could not arrive, he argued, and they were in duty bound to save the surviving civilians and the women and children.The Red Year | Louis Tracy
Then, as in duty bound, I knelt and kissed the hand of the king in token of homage, and he smiled at me contented.A Prince of Cornwall | Charles W. Whistler
The world takes it for granted that the wife or paramour of a man of genius is in duty bound to sacrifice herself for him.Frederick Chopin as a Man and Musician | Frederick Niecks
Sethos tendered the wine-cup as in duty bound, then stood with hands crossed before him, and looks bent lowly on the earth.Sarchedon | G. J. (George John) Whyte-Melville
Here he is supposed to have arranged it all, a belief which I vigorously combated as I believed myself in duty bound to do.Memoirs of the Duchesse de Dino v.1/3, 1831-1835 | Dorothy Duchesse de Dino
Other Idioms and Phrases with duty-bound
Obliged, as in You're duty bound to help your little brother. [c. 1900]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.