Japatan
Formation
- N + にとどまらず
- V辞書形 + にとどまらず
Explanation
Shows that something does not stay within a certain range but spreads further. The wider range usually follows with 〜にも or 〜まで. The form だけにとどまらず is also common. It is typical of news and formal writing.
Examples
この町の祭りは、地元の人にとどまらず、海外からの観光客にも人気がある。
This town's festival is popular not only with locals but also with tourists from abroad.
彼女の研究は日本国内にとどまらず、世界でも高く評価されている。
Her research is highly regarded not only in Japan but around the world.
佐藤先生は知識を教えるにとどまらず、自分で考える方法まで示してくれる。
Sato-sensei does more than teach facts and even shows us how to think for ourselves.
スマートフォンの利用は若者にとどまらず、高齢者の間にも広がっている。
Smartphone use is spreading not only among young people but also among the elderly.
Notes
It is close to ばかりか and のみならず, but にとどまらず gives a stronger feeling of something spreading beyond a range.
Related grammar
Mini quiz
1その商品の人気は国内（ ）、アジアの国々にも広がった。
Answer and explanation
Answer: 3 にとどまらず
The product's popularity spread not only in Japan but to other Asian countries. にとどまらず shows spreading beyond a range. を限りに marks an ending point, をもって a means or deadline, and ならではの needs a noun after it.
2環境問題への取り組みは、＿＿ ＿＿ ＿★＿ ＿＿ 進めるべきだ。
Answer and explanation
Answer: 4 とどまらず
The order is 3→1→4→2: 環境問題への取り組みは、一つの国だけにとどまらず世界全体で進めるべきだ (Efforts on environmental problems should be made by the whole world, not just one country). The starred word is とどまらず.
3田中さんは会議で問題を指摘する（ ）、具体的な解決策まで提案した。
Answer and explanation
Answer: 1 にとどまらず
Tanaka did not just point out the problem in the meeting; he even proposed concrete solutions. にとどまらず can follow a dictionary-form verb. The other choices do not attach to a verb this way.
