🦅 Project Eagle
synonym Comparative
きめる
VS
〜ことにする

Differences Between "きめる" and "〜ことにする"

Option A
きめる
Meaning
to decide
Reading
きめる (kimeru)
Syllabus Level
N5
Practical Example
来週の旅行の予定を決めました。
I decided the schedule for next week's trip.
Option B
〜ことにする
Meaning
to decide to, to make a point of, to choose to
Reading
〜ことにする (〜koto ni suru)
Syllabus Level
N3
Practical Example
明日から毎日運動することにした。
I decided to exercise every day from tomorrow.

Which one to use?

Select the correct Japanese word for this context

Which word fits this context: "(to decide)"?
🎉 正解 / Correct!
使い分け解説:
- きめる: Transitive verb meaning 'to decide' or 'to fix'. Often used for plans, rules, or choices. The intransitive form is 決まる (kimaru).
- 〜ことにする: Expresses a personal decision or resolution made by the speaker. It's about 'making it a rule' or 'deciding' to do something. Contrast with 「〜ことになる」which implies a decision made by others or circumstances. (V-る/V-ない + ことにする)
🦅

Want to boost your Japanese vocabulary?

Project Eagle automatically tracks and targets your weak words using AI. Practice thousands of operational exams completely for free!