Word
Kana: かいがい Romaji: kaigai Level: N3

海外

Meaning in English

overseas, abroad

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Word context

What it means

What does 海外 mean? It denotes foreign countries or areas outside one's own nation, used to refer to places or experiences beyond the home country, such as travel, business, or media coverage.

Main meanings

  • The general sense of foreign lands outside the home nation.
  • Used to describe international contexts in business, media, travel, and education, indicating a scope beyond domestic boundaries.
  • When combined with の, 海外の describes things associated with or located overseas.
  • Commonly appears in compound terms related to international affairs and global markets, signaling cross-border relevance.

How to use it

Used as a noun to refer to foreign countries or the overseas sphere, and as 海外の to modify nouns (placing emphasis on foreign origin or location). In grammar, に/へ can indicate movement toward overseas, で indicates an overseas setting, and 海外 is common in formal writing, journalism, and business contexts as a neutral, overarching label for international domains.

Variants and close terms

  • 国外 (こくがい, kokugai) — formal synonym for overseas, used in official contexts
  • 外地 (がいち, gaichi) — older or more literary/poetic term for foreign land
  • 国内 (こくない, kokunai) — antonym meaning domestic

Composition

  • 海: sea; a large body of water; in this compound it evokes the broad external world surrounding a homeland
  • 外: outside, exterior; indicates the realm beyond one’s own country
  • Combined meaning: the lands beyond the home nation, i.e., overseas; used to signal international scope or travel beyond borders

Etymology

海 kai, sea; 外 gai, outside. The compound kaigai is formed from two on-reading kanji to express the notion of the exterior world beyond one’s homeland, a Sino-Japanese construction used in formal and general language.

Origin

The concept arises from long-standing Japanese contact with foreign lands through maritime trade and cultural exchange. Its usage expanded during the modern era, especially with Meiji-era globalization and 20th-century international relations, as Japanese discourse increasingly distinguished domestic affairs from foreign contexts.

Word class

Noun (名詞)

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