nontariff barrierglossary / NONTARIFF BARRIER nontariff barrier. An official policy, other than a tariff, that restricts international trade, esp. by limiting imports or exports. — Abbr. NTB. Cf. NONTARIFF MEASURE. 词条贡献者 资深译员筠怡,国际知名法学院民商法专业,专注翻译各种与商业和侵权诉讼有关的法律文件。