Composed of 都 (metropolis, specifically Tokyo) + 外 (outside). Follows the same pattern as 都内 (inside Tokyo). The 都 in this word specifically refers to 東京都 (Tokyo Metropolis), not to any other city.
Common collocations
- 都外に住む: to live outside Tokyo
- 都外からの通勤: commuting from outside Tokyo
- 都外移転: relocation outside Tokyo
Similar words
- 都内: inside Tokyo — the opposite; refers to areas within Tokyo Metropolis
- 郊外: suburbs — refers to outlying areas of any city, not specifically Tokyo
- 県外: outside the prefecture — the equivalent term for prefectures other than Tokyo