How to say "duty-free" in Japanese

• 無税むぜいCommon
  no-adjectiveCovers the sense of goods on which no duty or tax is charged, and per its gloss also tax-free. It belongs to trade and customs discussion, such as tariff exemptions, not to airport shopping.
  私は無税むぜいでカメラを買かった。↗

  I bought a camera free of tax.
• デューティーフリーCommon
  nounThe loanword for duty-free goods and shopping: purchases made without the usual import duties or taxes, typically at airports. This is the word you want when talking about duty-free shopping as a traveler.

Use 無税 for the tax-exemption sense of duty-free in trade and customs contexts, and 「デューティーフリー」 for duty-free shopping, the term you hear when buying goods at airports.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 無税むぜいduty-free
• デューティーフリーduty-free
• 無役むやくduty-free