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Quintuple VS

Synonym Boundary: "晴れ", "明確", "快晴", "歴然", "明瞭"

All represent the core concept "clear", but require precise selection.

Japanese Option A

晴れ

はれ (hare)
N5 / CEFR
Japanese Option B

明確

めいかく (meikaku)
N3 / CEFR
Japanese Option C

快晴

かいせい (kaisei)
N3 / CEFR
Japanese Option D

歴然

れきぜん (rekizen)
N2 / CEFR
Japanese Option E

明瞭

めいりょう (meiryou)
N2 / CEFR

Quintuple VS Nuance Contrast & Social Differences

When expressing "clear" in Japanese, you must carefully distinguish between "晴れ", "明確", "快晴", "歴然", "明瞭" based on context.
  • 晴れ (はれ (hare) - Level: N5): Maps to "clear weather, fine weather" and is used when Refers to a state of clear sky without clouds or rain. Often used as 晴れの日.
  • 明確 (めいかく (meikaku) - Level: N3): Maps to "clear, precise, definite" and is used when 物事がはっきりしていて、あいまいさがない状態を表します。「明確にする」や「明確な目標」のように使われます。.
  • 快晴 (かいせい (kaisei) - Level: N3): Maps to "clear weather, fine weather" and is used when Describes a day with clear skies, no clouds, and good visibility, typically implying pleasant weather conditions..
  • 歴然 (れきぜん (rekizen) - Level: N2): Maps to "clear, obvious, plain (e.g., difference, fact)" and is used when 物事の状態や事実が非常に明白で、誰の目にもはっきりしているさまを表す。疑いの余地がないほど明らか。.
  • 明瞭 (めいりょう (meiryou) - Level: N2): Maps to "clear, distinct, plain, explicit" and is used when Describes something that is easy to understand, hear, or see because it lacks ambiguity or haziness. Often used as 明瞭な.
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "晴れ"
明日は晴れの予報です。
The forecast for tomorrow is clear weather.
Context for "明確"
彼の説明はとても明確で分かりやすかった。
His explanation was very clear and easy to understand.
Context for "快晴"
今日は快晴で、気持ちがいい。
It's clear weather today, and it feels good.
Context for "歴然"
両者の実力差は歴然としていた。
The difference in skill between the two was obvious.
Context for "明瞭"
彼の説明は非常に明瞭で分かりやすかった。
His explanation was very clear and easy to understand.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "明日は ___ の予報です。" (Meaning: "The forecast for tomorrow is clear weather.")
🎉 Correct Answer!

Remember: "晴れ" is correct here because it represents "clear weather, fine weather" in the context: "The forecast for tomorrow is clear weather.".

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