How to say "cosmopolitan" in Japanese

• コスモポリタンCommon
  nounThe direct loanword, used as a noun for a cosmopolitan person — someone at ease anywhere in the world. It keeps an English flavor, so it suits writing that wants that imported feel.
• 国際人こくさいじんCommon
  nounA noun for a person with an international outlook, a citizen of the world. Often heard in talk of education or careers, of someone who works comfortably in international settings.
  そのジャーナリストはいわゆる国際人こくさいじんだ。↗

  The journalist is what you call a cosmopolitan.
• 国際的こくさいてきCommon
  na-adjectiveThe adjective: use it when 'cosmopolitan' modifies a noun — a cosmopolitan city, atmosphere, or outlook. Its core sense is simply 'international', so it also covers contexts where that, not 'cosmopolitan', is the meaning.
  麻薬まやく汚染おせんの問題もんだいは国際的こくさいてきである。↗

  The drug problem is international.

Choose 「コスモポリタン」 for the borrowed noun, 国際人 for a person of international outlook, and 国際的 when 'cosmopolitan' works as an adjective describing places, events, or attitudes.

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

• コスモポリタンcosmopolitan
• 国際人こくさいじんinternationally minded person
• 国際的こくさいてきinternational
• 世界人せかいじんcosmopolitan
• 世渡り上手よわたりじょうずhaving worldly wisdom
• 普通種ふつうしゅcosmopolitan