William is on duty flying rescue 'copters in Anglesea so there is to be no romantic dinner tonight.
I will bring unconventional and asymmetrical warfare to those in LAPD uniform whether on or off duty.
But he had soldiered on, bound by loyalty to Hillary and an implacable sense of duty.
Entertainment institutions like the Academy have a duty to use their clout wisely.
In his view, a writer has only one duty: to be present in his books.
He was many miles from his post of duty, and now his sole idea was to get back to it.
He hates to go, but he says it's his duty; the call is so loud.
In short, he was to be found at all points where duty called.
What the colony looked for was, that every man who went into the Council would do his duty.
If you have made such engagement, your first duty is to break it.
late 13c., from Anglo-French duete, from Old French deu "due, owed; proper, just," from Vulgar Latin *debutus, from Latin debitus, past participle of debere "to owe" (see debt). Related: Duties. The sense of "tax or fee on imports, exports, etc." is from late 15c.; duty-free as a noun is attested from 1958.
A tax charged by a government, especially on an import.