決める vs 決心する
Japanese word comparison
Listen to 決める
Listen to 決心する
| 決める | 決心する |
|---|---|
ki-ME-ru verb (transitive) | けっしんする verb (transitive) |
| to decide; to make up one's mind; to choose (something) | to make up one's mind; to resolve (emphasizing inner determination) |
How they differ
決心する highlights internal resolve or determination to carry out an action, whereas 決める is neutral about the psychological aspect and may simply state that a decision was made.
When to use each
When to use 決める: Prefer 決める for straightforward decisions or when reporting that a choice was made without focusing on inner resolve.
When to use 決心する: Prefer 決心する when you want to express personal commitment, willpower, or a resolved intention to act.
Side-by-side examples
- 転職するかどうかを決めた。
(I decided whether to change jobs.) - 転職することを決心した。
(I made up my mind / resolved to change jobs.)
Register & nuance: 決心する is neutral but more introspective, frequently used to express personal resolve; it's not especially formal.