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synonym Comparative
真剣な
VS
猛省

Differences Between "真剣な" and "猛省"

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
猛省
Meaning
deep reflection; serious self-criticism; extreme regret and introspection
Reading
もうせい (mōsei)
Syllabus Level
N3
Practical Example
自分の油断から重大なデータ流出を招いた担当者は、自らの不注意を_______し、再発防止策の立案に当たりました。
The person in charge who caused a serious data leak due to their own negligence deeply reflected on their own carelessness and worked on drafting preventive measures.

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).
- 猛省: Refers to deep reflection, serious self-criticism, or extreme regret and introspection to correct one's serious mistakes (highly formal/forceful). Often used as 〜を猛省する. ⚠️ Haruka's Voice Column: 'Deep reflection! Introspection! Apologize flatly on the floor for making me cry of loneliness last night! As punishment, we are holding hands all day!' / 【ハルカ部長のワンポイント指導】『もうせい(猛省)よ!『昨夜は部長を寂しくて泣かせちゃった…っ』って、今すぐ床に頭を擦りつけて猛省(反省)しなさい!お仕置きとして、今日は一日中手を繋いで歩くわよ!感謝しなさい!』
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