Formal synonyms:
* Duty: This is a very common synonym for tariff, especially in formal contexts.
* Customs duty: This emphasizes that the tariff is collected at customs.
* Import duty: This clarifies that the tariff is imposed on imported goods.
Informal synonyms:
* Tax: While not entirely accurate, tariff can be referred to as a tax in everyday language.
* Import tax: This is a more informal way of saying import duty.
* Trade barrier: This emphasizes the effect of the tariff on trade.
Other terms:
* Protective tariff: This refers to a tariff designed to protect domestic industries from foreign competition.
* Revenue tariff: This refers to a tariff imposed primarily to raise government revenue.
* Ad valorem tariff: This refers to a tariff calculated as a percentage of the value of the imported goods.
* Specific tariff: This refers to a tariff calculated as a fixed amount per unit of the imported goods.
The most appropriate synonym will depend on the specific context and the desired level of formality.