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duty - definition and synonyms


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noun duty pronunciation in American English /ˈduti/
Word Forms
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  1. 1
    [countable/uncountable] a legal or moral obligation
    He has a duty under the terms of his contract to pay rent.
    be someone’s duty to do something: It is your duty as a parent to protect your children.
    owe/have a duty to someone: The company has a duty to its stockholders.
    sense of duty: He has a strong sense of family duty.
    do your duty: I was just doing my duty as a good citizen.
    1. a.


      [plural] things that you have to do as part of your job
      He was too unwell to carry out his administrative duties.
      Police officers are often injured in the course of their duties.
  2. 2
    [countable/uncountable] economics a tax that you must pay on something, especially something that you bring into one country from another country
    duty on: The duty on imported vodka has been raised.



a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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