夏バテ（なつばて、natsubate）
- summer fatigue

夏バテ literally translates to "summer fatigue" or "summer slump." It refers to the physical and mental fatigue that people experience during the hot and humid summer months in Japan. This is often caused by a combination of factors, including: heat, humidity, loss of appetite, dehydration, and changes in sleep patterns. 夏バテ can manifest in various symptoms.

⚫︎最近、食欲がなくて、夏バテかなと思っています。 Translation: Lately, I haven't had much of an appetite, I think I'm experiencing 夏バテ. ⚫︎暑い日が続いて、夏バテで体がだるいです。 Translation: With these hot days continuing, I feel lethargic because of 夏バテ. ⚫︎エアコンを使いすぎると、体が夏バテしやすくなることもあります。 Translation: Using air conditioning too much can sometimes make your body more prone to 夏バテ.

You can use 夏バテ when discussing feeling tired, weak, or generally unwell during the summer due to the heat. It is a common term used in everyday conversations in Japan. It's often used to describe a feeling of being worn out and lacking energy during the summer months. You can use it to explain why you are not feeling well or when you sympathize with someone else who is feeling the effects of the heat.

夏バテ is typically written in hiragana as なつばて. The kanji form, 夏 (natsu - summer) and バテ (bate - derived from "battey" which is English and means "battery" or a colloquialism for being worn out or flat.) are sometimes written in katakana and can also be written in romaji (natsubate). Okurigana is not usually changed.

⚫︎夏負け (natsumake) - a less common term for summer fatigue. ⚫︎疲労 (hirou) - fatigue ⚫︎倦怠感 (kentaikan) - feeling of weariness ⚫︎夏のだるさ (Natsu no darusa) - Summer sluggishness

There are no direct antonyms for 夏バテ, as it is a description of a state. However, the opposite of the feeling could be: ⚫︎元気 (genki) -元気 - healthy; energetic

暑い日が続くと、夏バテでなかなかやる気が出ない。 ・Translation: When the hot days continue, I don't really feel motivated because of 夏バテ. ・Explanation: This sentence explains how 夏バテ can negatively affect one's motivation during the summer.

水分補給をしっかりして、夏バテにならないように気をつけましょう。 ・Translation: Let's make sure to hydrate properly and be careful not to get 夏バテ. ・Explanation: This sentence gives a suggestion to avoid 夏バテ.

The word is a combination of 夏 (natsu - summer) and バテ (bate). バテ comes from the English word "battery," used to describe something or someone that is flat or drained of energy. Over time, it came to be used in Japanese as a colloquial term for being worn out. Therefore, 夏バテ represents a state of being depleted of energy during the summer months due to the heat and other related factors.