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synonym Comparative
真剣な
VS
大事な

Differences Between "真剣な" and "大事な"

Option A
真剣な
Meaning
serious, earnest
Reading
しんけんな (shinken na)
Syllabus Level
N3
Practical Example
彼はいつも仕事に真剣に取り組んでいる。
He always tackles his work seriously.
Option B
大事な
Meaning
important; valuable; precious; serious (matter)
Reading
だいじな (daiji na)
Syllabus Level
N3
Practical Example
これは私にとってとても大事な本です。
This is a very important book to me.

Which one to use?

Select the correct Japanese word for this context

Which word fits this context: "(serious, earnest)"?
🎉 正解 / Correct!
使い分け解説:
- 真剣な: Describes someone's attitude, effort, or a situation that requires seriousness. Often used with 「に」 as an adverb (真剣に).
- 大事な: This is an な-adjective (形容動詞) used to describe something or someone as important, valuable, or precious. It can also refer to a serious or significant matter. It always attaches to a noun with 「な」 (e.g., 大事なこと, 大事な人).
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