na-adjective
exclusive; antiforeign; xenophobic
Describes attitudes, policies, or groups that exclude outsiders, especially foreigners. Often used in social or political contexts.
その国は排外的な政策を取っている。
That country adopts exclusive policies.
排外的な態度は国際
Xenophobic attitudes hinder international exchange.
閉鎖的 means 'closed' or 'insular', focusing on being shut off from outside influence, whereas 排外的 emphasizes active exclusion or hostility toward outsiders.
Compound of 排外 (exclusion of foreigners) + 的 (adjectival suffix). The term 排外 itself is composed of 排 (reject, exclude) and 外 (outside, foreign).