Quadruple VS
Synonym Boundary: "わるい", "凶作", "悪癖", "陋習"
All represent the core concept "bad", but require precise selection.
Japanese Option A
わるい
悪い (warui)
N5 / CEFR
Japanese Option B
凶作
きょうさく (kyōsaku)
N2 / CEFR
Japanese Option C
悪癖
あくへき (akuheki)
N2 / CEFR
Japanese Option D
陋習
ろうしゅう (rōshū)
N1 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "bad" in Japanese, you must carefully distinguish between "わるい", "凶作", "悪癖", "陋習" based on context.
- わるい (悪い (warui) - Level: N5): Maps to "bad, evil, wrong" and is used when A general i-adjective for "bad".
- 凶作 (きょうさく (kyōsaku) - Level: N2): Maps to "bad harvest, poor crop, crop failure" and is used when Refers to a poor agricultural yield due to unfavorable weather, disease, or other factors, indicating a severe reduction in harvest..
- 悪癖 (あくへき (akuheki) - Level: N2): Maps to "bad habit, vice" and is used when A specific term for a harmful or undesirable habit that is often difficult to break, such as smoking, nail-biting, or procrastination..
- 陋習 (ろうしゅう (rōshū) - Level: N1): Maps to "bad custom; evil practice; obsolete practice" and is used when Refers to old, outdated, or harmful customs and practices that should be abolished. Has a formal and slightly critical tone..
Context for "わるい"
今日は天気が悪いです。
The weather is bad today.
Context for "凶作"
今年は長雨のせいで米が凶作だった。
This year, the rice crop was poor due to the long rain.
Context for "悪癖"
彼は早起きできないという悪癖がある。
He has a bad habit of not being able to wake up early.
Context for "陋習"
その会社には長年続いている陋習がいくつか残っている。
Several long-standing bad customs still remain in that company.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "今日は天気が悪いです。" (Meaning: "The weather is bad today.")
🎉 Correct Answer!
Remember: "わるい" is correct here because it represents "bad, evil, wrong" in the context: "The weather is bad today.".