Quadruple VS
Synonym Boundary: "不良", "凶作", "悪癖", "陋習"
All represent the core concept "bad", but require precise selection.
Japanese Option A
不良
ふりょう (furyō)
N3 / 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 "不良", "凶作", "悪癖", "陋習" based on context.
- 不良 (ふりょう (furyō) - Level: N3): Maps to "bad, poor (quality); delinquent (person); defect" and is used when Can be a noun meaning a defect or a delinquent person.
- 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陋習 (ろうしゅう (rōshū) - Level: N1): Maps to "bad custom; evil practice; obsolete practice" and is used when Refers to old, outdated, or harmful customs and practices that should be abolished.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 "不良"
この製品には不良がありました。
This product had a defect.
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: "この製品には ＿＿＿ がありました。" (Meaning: "This product had a defect.")
🎉 Correct Answer!
Remember: "不良" is correct here because it represents "bad, poor (quality); delinquent (person); defect" in the context: "This product had a defect.".