Synonym Nuance VS
How to say "Open" in Japanese
Both words can translate to "open", but which should you choose?
Japanese Option A
開通する
かいつうする (kaitsū suru)
N3 / CEFR Syllabus
VS
Japanese Option B
うちとける
うちとける (uchitokeru)
N2 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "open" into Japanese, you must choose carefully between 開通する and うちとける.
In Japanese, 開通する (かいつうする (kaitsū suru)) is typically associated with "to open (for traffic), to be completed (e.g., a tunnel, bridge, line)" (Syllabus Level: N3) and represents Used for infrastructure like roads, railways, tunnels, or new services becoming available for public use. It's an intransitive verb..
On the other hand, うちとける (うちとける (uchitokeru)) maps to "to open one's heart, to feel at home, to relax, to be frank" (Syllabus Level: N2) and represents Describes the process of becoming comfortable and relaxed with someone, allowing one's true self to show. Often implies breaking down barriers. 心を開き、親しくなる様子を表します。. A literal translation of "open" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "開通する"
新しい高速道路が来月開通する予定だ。
The new highway is scheduled to open next month.
Bilingual Context for "うちとける"
初めて会った人ともすぐにうちとけることができる。
I can quickly feel at ease even with people I meet for the first time.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "新しい高速道路が来月 ＿＿＿ 予定だ。" (Meaning: "The new highway is scheduled to open next month.")
🎉 Correct Answer!
Remember: "開通する" fits here because it means "to open (for traffic), to be completed (e.g., a tunnel, bridge, line)" in the context of: "The new highway is scheduled to open next month.". "うちとける" represents "to open one's heart, to feel at home, to relax, to be frank".