Choose the perfect synonym or antonym for the word A responsibility or task that a person is required or expected to perform.
Duty
/ˈdjuːti/Synonyms:
Antonyms:
Examples:
It's my duty to help my parents.Police officers have a duty to protect people.
Etymology:
The word duty originates from the Anglo-French word dueté, stemming from Latin debitum, meaning that which is owed. It entered Middle English in the 14th century as duete.
Usage Statistics:
53 mentions per 1 million words 
Hint: Frequency according to COCA
Often
Hint: Frequency according to COCA
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