on duty


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on duty

Engaged in work during one's normal working day or assigned hours. (Hyphenated if used before a noun.) I'd love to go have a beer with you, but as you can see by the uniform I'm wearing, I'm actually on duty right now. Even though several on-duty police officers were on the scene, no one noticed the burglar stealing the painting.
See also: duty, on

on duty

at work; currently doing one's work. (The opposite of off duty.) I can't help you now, but I'll be on duty in about an hour. Who is on duty here? I need some help.
See also: duty, on

on duty

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]
See also: duty, on

on/off ˈduty

(of nurses, police officers, etc.) working/not working at a particular time: Who’s on duty today?What time do you go off duty?
See also: duty, off, on

on duty

Engaged in or responsible for assigned work.
See also: duty, on