synonym Comparative
潤滑油
VS
円滑な
Differences Between "潤滑油" and "円滑な"
Option A
潤滑油
Meaning
lubricant; (figuratively) something that facilitates smooth relations
Reading
じゅんかつゆ (junkatsuyu)
Syllabus Level
N2
Practical Example
この機械には定期的に潤滑油を差す必要がある。
This machine needs regular lubrication.
Option B
円滑な
Meaning
smooth, harmonious
Reading
えんかつな (enkatsuna)
Syllabus Level
B2
Practical Example
これはとても円滑なですね。
This is very smooth, harmonious, isn't it?
Which one to use?
Select the correct Japanese word for this context
Which word fits this context: "(lubricant; (figuratively) something that facilitates smooth relations)"?
🎉 正解 / Correct!
使い分け解説:
- 潤滑油: Literally, oil that reduces friction in machinery. Figuratively, it refers to anything that helps improve human relations, smooth out difficult situations, or makes things operate more easily.
- 円滑な: Essential structural term in CEFR B2 vocabulary syllabus. (CEFR B2語彙シラバスにおける重要表現です。)
- 潤滑油: Literally, oil that reduces friction in machinery. Figuratively, it refers to anything that helps improve human relations, smooth out difficult situations, or makes things operate more easily.
- 円滑な: Essential structural term in CEFR B2 vocabulary syllabus. (CEFR B2語彙シラバスにおける重要表現です。)
Want to boost your Japanese vocabulary?
Project Eagle automatically tracks and targets your weak words using AI. Practice thousands of operational exams completely for free!