How to say "world-class" in Japanese

• ワールドクラス
  no-adjectiveThe direct borrowing of 'world-class', for someone or something performing at the level of the world's best, as in sports or business talk. It is less common, so 世界的 is usually the safer default.
• 世界に誇るせかいにほこる
  expression, prenominal modifierA verb phrase, literally 'to boast of to the world': use it when the point is pride in something with a high global reputation, typically a national or organizational achievement. It is less common and emphatic.
• 世界的せかいてきCommon
  na-adjectiveThe common everyday choice, covering both 'world-famous' and 'world-class': something known or rated on a world level. For most senses of the English word this is the one learners should reach for first.

Use 世界的 as the common default for both 'world-class' and 'world-famous'; 「ワールドクラス」 is the direct English loanword, while 「世界に誇る」 stresses pride in something with a high global reputation.

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

• ワールドクラスworld-class
• 世界に誇るせかいにほこるworld-class
• 世界的せかいてきworld-famous