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English definition of “duty”

duty

noun [C or U] uk   /ˈdjuː.ti/ us    /ˈduː.t̬i/

duty noun [C or U] (RESPONSIBILITY)

B1 something that you have to do because it is part of your job, or something that you feel is the right thing to do: The duty of the agency is to act in the best interests of the child. [+ to infinitive] I felt it was my duty to tell them the truth. You have a duty to yourself to take a holiday now and then. He only went to see her out of duty (= because he thought he should). You should report for duty (= arrive at work) at 8 a.m. on Monday. What time are you off/on duty (= when do you finish/start work) tomorrow? be duty bound to do sth to have to do something because it is your duty: We are duty bound to justify how we spend our funds.

duty noun [C or U] (TAX)

a tax paid to the government, especially on things that you bring into a country: There's a high duty on alcohol.
(Definition of duty from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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