油断

ゆだん

negligence, unpreparedness

JLPT N2

Character Breakdown

Meaning and Usage

"油断" (ゆだん) means carelessness or negligence, often implying a lack of attention or preparedness that can lead to mistakes or accidents. It is commonly used to warn against losing focus or becoming too relaxed in situations that require vigilance.

Common Contexts

You will often hear "油断" in contexts like sports, work, or daily life where staying alert is important. For example, during a game, a small moment of "油断" can cause a loss. It also appears in phrases like "油断大敵" (ゆだんたいてき), meaning "carelessness is the greatest enemy," emphasizing the importance of constant attention.

Collocations and Patterns

  • 油断する: to be careless or let one’s guard down
  • 油断大敵: a proverb warning that carelessness leads to trouble
  • 油断して〜: expressing that something happened because of negligence

Nuances and Tips

Using "油断" often implies a negative consequence due to a momentary lapse in attention. It is a somewhat formal word, suitable for both spoken and written Japanese. Learners sometimes confuse "油断" with simple forgetfulness, but "油断" stresses the idea of not being cautious enough rather than just forgetting.

Remember to use "油断" when you want to highlight the risk or danger caused by carelessness, especially in situations requiring alertness.

Example Sentences

しあいちゅうにゆだんすると、すぐにまけてしまう。

If you become careless during the match, you will lose immediately.

ゆだんたいてきだから、さいごまできをぬかないでください。

Carelessness is the greatest enemy, so please don’t let your guard down until the end.

ゆだんしてかぎをかけわすれた。

I was careless and forgot to lock the door.