Duty vs Tariff

When to use each in English, with meaning, register, and examples.

 DutyTariff
MeaningA responsibility or job that someone must do.A tax on goods coming into a country.
Register-formal
CEFR levelB1-
Part of speechnoun
Usage notesUsed in both formal and informal contexts. Often relates to moral or legal responsibilities. Avoid using it in casual conversations where lighter terms like 'task' may fit better.Used mainly in economic and trade contexts; not suitable for everyday casual conversation. Be careful to use in formal writing or discussions.

Frequently asked questions: Duty vs Tariff

What's the difference between "Duty" and "Tariff"?

"Duty" means: A responsibility or job that someone must do. "Tariff" means: A tax on goods coming into a country.

When should I use "Duty" and "Tariff"?

"Tariff" is formal.

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