二日酔い（ふつかよい、futsukayoi）
- hangover

The Japanese word 二日酔い (ふつかよい) refers to a hangover. It's the physical discomfort one experiences the day after drinking excessive amounts of alcohol. This can include symptoms like a headache, nausea, fatigue, and sensitivity to light and sound. The word literally translates to "second-day drunkenness," implying the effects linger into the next day.

⚫︎昨日は飲みすぎて、二日酔い］でつらいです。 Translation: I drank too much yesterday, and I have a hangover, so I feel terrible. ⚫︎二日酔い］にならないように、お酒を飲む前に何か食べよう。 Translation: Let's eat something before drinking to avoid getting a hangover. ⚫︎彼はひどい二日酔い］だったから、今日は会社を休んだ。 Translation: He had a terrible hangover, so he took the day off from work today.

You use 二日酔い to describe the condition of having a hangover. It's used as a noun. You would use it when talking about your own experience or someone else's, describing the feeling of the day after heavy drinking. It is commonly used in casual conversations among friends, family, and colleagues.

The word is typically written as 二日酔い in kanji and hiragana. The kanji 二 (ni) means "two," 日 (hi/nichi) means "day," and 酔い (yoi) is the noun form of the verb 酔う (you), which means "to get drunk." Hiragana is used to represent the pronunciation ふつかよい. There are no other standard ways to write this word. The okurigana (the suffix hiragana) for 酔い is always い.

There aren't direct synonyms in Japanese for 二日酔い, as it is a specific term. However, you could describe the feeling using other words: ⚫︎頭痛 (zutsuu) - headache ⚫︎吐き気 (hakike) - nausea ⚫︎気分が悪い (kibun ga warui) - feeling unwell ⚫︎だるい (darui) - feeling sluggish, tired

There are no direct antonyms for 二日酔い. The opposite would be feeling well and healthy, but there isn't a specific word for that in relation to alcohol consumption.

昨日は飲みすぎたせいで、今日はひどい二日酔い］だ。 ・Translation: Because I drank too much yesterday, I have a terrible hangover today. ・Explanation: This sentence directly expresses the speaker's state of having a severe hangover due to excessive drinking the previous day.

二日酔い］を和らげるために、水をたくさん飲んだ。 ・Translation: I drank a lot of water to alleviate my hangover. ・Explanation: This sentence describes the action taken to deal with the symptoms of a hangover, specifically drinking water.

The etymology of 二日酔い is quite straightforward. It's a compound word directly reflecting the phenomenon it describes: the lingering effects of being drunk that are experienced on the "second day" (二日) after drinking alcohol (酔い, from 酔う, to get drunk). The word is descriptive in its nature, clearly stating the timing and the cause of the physical discomfort.