Quadruple VS
Synonym Boundary: "真面目な", "真面目", "重大", "真剣な"
All represent the core concept "serious", but require precise selection.
Japanese Option A
真面目な
まじめな (majime na)
N4 / CEFR
Japanese Option B
真面目
まじめ (majime)
N4 / CEFR
Japanese Option C
重大
じゅうだい (jūdai)
N3 / CEFR
Japanese Option D
真剣な
しんけんな (shinken na)
N3 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "serious" in Japanese, you must carefully distinguish between "真面目な", "真面目", "重大", "真剣な" based on context.
- 真面目な (まじめな (majime na) - Level: N4): Maps to "serious; diligent; earnest" and is used when A な-adjective.
- 真面目 (まじめ (majime) - Level: N4): Maps to "serious, diligent, honest" and is used when な-形容詞.
- 重大 (じゅうだい (jūdai) - Level: N3): Maps to "Serious, grave, important, significant" and is used when Emphasizes the importance, gravity, or severity of a matter. Often used for problems, decisions, news. Can be used with な as an adjective.
- 真剣な (しんけんな (shinken na) - Level: N3): Maps to "serious, earnest" and is used when Describes someone's attitude, effort, or a situation that requires seriousness. Often used with 「に」 as an adverb.
Context for "真面目な"
彼はいつも真面目に勉強しています。
He always studies seriously.
Context for "真面目"
彼はいつも真面目に仕事に取り組んでいる。
He always approaches his work diligently.
Context for "重大"
これは会社にとって重大な問題です。
This is a serious problem for the company.
Context for "真剣な"
彼はいつも仕事に真剣に取り組んでいる。
He always tackles his work seriously.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "彼はいつも真面目に勉強しています。" (Meaning: "He always studies seriously.")
🎉 Correct Answer!
Remember: "真面目な" is correct here because it represents "serious; diligent; earnest" in the context: "He always studies seriously.".