Synonyms of duty

duty

noun

ˈdü-tē 

1

as in tax

a charge usually of money collected by the government from people or businesses for public use

the shop at the airport charges no duty on tourist memorabilia

Synonyms & Similar Words

• tax
• levy
• tariff
• imposition
• impost
• excise
• assessment
• income tax
• direct tax
• tribute
• personal tax
• property tax
• poll tax
• single tax
• toll
• sales tax
• value-added tax
• withholding tax
• capitation
• hidden tax
• surtax
• supertax
• inheritance tax
• estate tax
• surcharge
• death tax
• flat tax
• proportional tax
• sin tax
• custom(s)

2

as in task

a piece of work that needs to be done regularly

the regular duties of a lifeguard

Synonyms & Similar Words

• task
• job
• assignment
• responsibility
• mission
• project
• chore
• function
• errand
• office
• operation
• endeavor
• commission
• undertaking
• care
• stint
• post
• enterprise
• chare
• charge
• route
• circuit
• round

3

as in obligation

something one must do because of prior agreement

I must obey the call of duty and serve my country

Synonyms & Similar Words

• obligation
• responsibility
• need
• commitment
• burden
• promise
• vow
• office
• requirement
• pledge
• imperative
• constraint
• do
• charge
• devoir
• pact
• oath
• payment
• incumbency
• contract
• must
• arrangement
• compulsion
• tribute
• debt
• word
• trust
• setup
• covenant
• restraint
• compact
• reservation
• prearrangement
• coercion
• force
• engagement
• appointment
• duress
• troth
• onus

Antonyms & Near Antonyms

• discharge
• relief
• grace
• exemption
• stay
• release
• waiver
• ease
• postponement
• choice
• option
• selection
• alternative
• preference
• loophole
• pick

Synonym Chooser

How does the noun duty contrast with its synonyms?

Some common synonyms of duty are assignment, chore, job, stint, and task. While all these words mean "a piece of work to be done," duty implies an obligation to perform or responsibility for performance.

the duties of a lifeguard

When is it sensible to use assignment instead of duty?

In some situations, the words assignment and duty are roughly equivalent. However, assignment implies a definite limited task assigned by one in authority.

a reporter's assignment

Where would chore be a reasonable alternative to duty?

The words chore and duty are synonyms, but do differ in nuance. Specifically, chore implies a minor routine activity necessary for maintaining a household or farm.

every child was assigned chores

When could job be used to replace duty?

The synonyms job and duty are sometimes interchangeable, but job applies to a piece of work voluntarily performed; it may sometimes suggest difficulty or importance.

the job of turning the company around

In what contexts can stint take the place of duty?

The meanings of stint and duty largely overlap; however, stint implies a carefully allotted or measured quantity of assigned work or service.

a 2-month stint as a reporter

When can task be used instead of duty?

Although the words task and duty have much in common, task implies work imposed by a person in authority or an employer or by circumstance.

charged with a variety of tasks

Example Sentences

Recent Examples of duty

Phoenix did not share the story while at work and her private Instagram account made no mention of her employment with the state, a job where one of her duties included training employees about the state’s social media policies, the lawsuit said. — Kacen Bayless, Kansas City Star, 14 July 2026

The administration’s 10 percent global duties, levied under Section 122 of the Trade Act of 1974, which addresses balance-of-payments issues, will expire on July 24. — Kate Nishimura, Footwear News, 14 July 2026

Prosecutors said the scheme avoided more than $38 million in customs duties. — Kaelan Deese, The Washington Examiner, 14 July 2026

This from a guy who shared Texas Tech QB duties with Baker Mayfeld, only to get Wally-Pipped in Lubbock after a season-ending ankle issue cleared a path for a kid named Patrick Mahomes. — Sean Keeler, Denver Post, 14 July 2026