Quintuple VS
Synonym Boundary: "いい", "おやすみなさい", "幸運", "好感", "朗報"
All represent the core concept "good", but require precise selection.
Japanese Option A
いい
いい (ii)
N5 / CEFR
Japanese Option B
おやすみなさい
おやすみなさい (oyasuminasai)
N5 / CEFR
Japanese Option C
幸運
こううん (kōun)
N3 / CEFR
Japanese Option D
好感
こうかん (kōkan)
N3 / CEFR
Japanese Option E
朗報
ろうほう (rōhō)
N2 / CEFR
Quintuple VS Nuance Contrast & Social Differences
When expressing "good" in Japanese, you must carefully distinguish between "いい", "おやすみなさい", "幸運", "好感", "朗報" based on context.
- いい (いい (ii) - Level: N5): Maps to "good, nice; okay" and is used when An い-adjective, a versatile word meaning 'good,' 'nice,' 'fine,' 'okay.' Often used to express approval or agreement. The more formal or classical form is よい.
- おやすみなさい (おやすみなさい (oyasuminasai) - Level: N5): Maps to "Good night" and is used when A polite farewell greeting used in the evening, especially when someone is going to bed or when parting ways late at night. A more casual version, おやすみ.
- 幸運 (こううん (kōun) - Level: N3): Maps to "good luck; fortune" and is used when Refers to good luck, fortune, or being extremely lucky. Often used as 幸運なことに.
- 好感 (こうかん (kōkan) - Level: N3): Maps to "good impression; favorable feeling; positive reception; liking" and is used when Refers to a good impression, favorable feeling, or positive reception toward someone's personality, behavior, or looks. Often used as 好感を持たれる or 好感度.
- 朗報 (ろうほう (rōhō) - Level: N2): Maps to "Good news; glad tidings" and is used when Used to express positive and often significant news. Can be a bit formal. 朗報を伝える.
Context for "いい"
その考えはとてもいいです。/ 大丈夫、いいですよ。
That's a very good idea. / It's okay.
Context for "おやすみなさい"
父に「おやすみなさい」と言ってから寝ました。
I said "Good night" to my father before going to bed.
Context for "幸運"
_______なことに、売り切れだと思っていたチケットを最後の一枚で購入できました。
Fortunately, I was able to purchase the very last ticket that I thought was sold out.
Context for "好感"
彼のハキハキとした挨拶と清潔感のある身だしなみは、面接官たちに非常に高い_______を与えました。
His crisp greeting and clean appearance gave a very high good impression to the interviewers.
Context for "朗報"
先生から合格の朗報を聞いて、とても嬉しかった。
I was very happy to hear the good news of my success from the teacher.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "その考えはとても ＿＿＿ です。/ 大丈夫、 ＿＿＿ ですよ。" (Meaning: "That's a very good idea. / It's okay.")
🎉 Correct Answer!
Remember: "いい" is correct here because it represents "good, nice; okay" in the context: "That's a very good idea. / It's okay.".