鼻水（はなみず、hanamizu）
- nasal discharge

The word 鼻水 （はなみず） refers to nasal discharge, more commonly known as a runny nose. It's the mucus that comes out of your nose when you have a cold, allergies, or other conditions that cause nasal congestion.

⚫︎風邪をひいて、鼻水 が止まらない。 ・Translation: I have a cold and can't stop my runny nose. ⚫︎花粉症で、くしゃみと鼻水 がひどい。 ・Translation: My sneezing and runny nose are terrible because of hay fever. ⚫︎赤ちゃんの鼻水 を拭いてあげてください。 ・Translation: Please wipe the baby's runny nose.

You use 鼻水 to describe the condition of having a runny nose. It can be used in various contexts, such as describing your own symptoms, talking about someone else's, or discussing the cause of the runny nose (e.g., a cold, allergies).

⚫︎鼻水 is written in kanji 鼻水 or in hiragana はなみず. ⚫︎The kanji 鼻 means "nose," and 水 means "water." ⚫︎There is no variation in okurigana.

⚫︎There isn't a direct single-word synonym for 鼻水 in Japanese. You could use phrases to express similar meanings. ⚫︎Some related terms, though not perfect synonyms, might be: ⚫︎鼻汁（びじゅう） - nasal discharge (more formal). ⚫︎鼻みず - similar meaning as 鼻水.

There is no direct antonym. However, something that prevents a runny nose could be considered the opposite in function. For example: ⚫︎鼻づまり（はなづまり）- a stuffy nose (nasal congestion)

熱が出て、頭痛と《鼻水 がします。》 ・Translation: I have a fever, a headache, and a runny nose. ・Explanation: This sentence describes the symptoms of being sick, including 鼻水.

彼はアレルギーで、いつも春になると《鼻水 が出る。》 ・Translation: He has allergies, and he always gets a runny nose in the spring. ・Explanation: This sentence explains that the person's runny nose is caused by allergies that occur seasonally.

The word 鼻水 is a compound word. 鼻 (hana) refers to "nose," and 水 (mizu) refers to "water." Therefore, it literally translates to "nose water," describing the fluid discharge from the nose.