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synonym Comparative
油断
VS
懈怠

Differences Between "油断" and "懈怠"

Option A
油断
Meaning
carelessness, inattention, negligence
Reading
ゆだん (yudan)
Syllabus Level
N3
Practical Example
油断すると、思わぬミスをするかもしれません。
If you're careless, you might make an unexpected mistake.
Option B
懈怠
Meaning
default / negligence
Reading
けたい (keitai)
Syllabus Level
C2
Practical Example
私は懈怠に興味があります。
I am interested in default / negligence.

Which one to use?

Select the correct Japanese word for this context

Which word fits this context: "(carelessness, inattention, negligence)"?
🎉 正解 / Correct!
使い分け解説:
- 油断: Often used in the phrase 油断する (yudan suru) meaning 'to be careless' or 'to let one's guard down'. It implies a lack of vigilance that can lead to mistakes or misfortune. (「油断する」の形で使われることが多く、「気を抜く」「注意を怠る」という意味。失敗や不運につながる警戒心の欠如を指す。)
- 懈怠: Essential structural term in CEFR C2 vocabulary syllabus. (CEFR C2語彙シラバスにおける重要表現です。)
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