At one's post, at work, as in The new nurse was on duty that evening, or The watchman was fired because he was drunk on duty. [Mid-1600s] The antonym, off duty, means “not engaged in one's work,” as in Captain Smith was much more amiable when he was off duty. [Mid-1800s]
Words nearby on duty
How to use on duty in a sentence
In his view, a writer has only one duty: to be present in his books.Houellebecq’s Incendiary Novel Imagines France With a Muslim President|Pierre Assouline|January 9, 2015|DAILY BEAST
Just the hard-on before you shoot unarmed members of the public.'Babylon' Review: The Dumb Lives of Trigger-Happy Cops|Melissa Leon|January 9, 2015|DAILY BEAST
Our duty is to make sure that they realize that the Prophet is not avenged.Ayaan Hirsi Ali: Our Duty Is to Keep Charlie Hebdo Alive|Ayaan Hirsi Ali|January 8, 2015|DAILY BEAST
Three on-the-record stories from a family: a mother and her daughters who came from Phoenix.I Tried to Warn You About Sleazy Billionaire Jeffrey Epstein in 2003|Vicky Ward|January 7, 2015|DAILY BEAST
A passing off-duty school safety officer named Fred Lucas said that he had been told the man was a drug dealer.
And as she hesitated between obedience to one and duty toward the other, her life, her love and future was in the balance.The Homesteader|Oscar Micheaux
Each did his duty, or was adjured to do it, in the "state of life to which it had pleased God to call him."The Unsolved Riddle of Social Justice|Stephen Leacock
The dead bodies of the two men were guarded until next day, for justice to do its duty.
That alone is being sent to your Majesty as a report, in order to inform you of everything, as is my duty.
His duty it was to stand at the head of the scalding trough, watch in hand, to "time" the length of the scald, crying "Hog in!"