歯磨き（はみがき、hamigaki）
- tooth brushing

The word 歯磨き (*hamigaki*) means "brushing teeth" or "tooth brushing." It refers to the act of cleaning one's teeth using a toothbrush and toothpaste. It's a common daily hygiene practice essential for maintaining oral health. The word can refer to the process itself, or sometimes to the activity of doing it.

⚫︎ 毎朝、歯磨き］をします。 Translation: I brush my teeth every morning. ⚫︎ 歯磨き］の後、口をすすぎます。 Translation: After brushing my teeth, I rinse my mouth. ⚫︎ 子供に歯磨き］をさせなければなりません。 Translation: I have to make my child brush their teeth.

You can use 歯磨き in various contexts related to oral hygiene. You can use it to describe the action you're doing, the time of day you do it, or to talk about someone else brushing their teeth. It’s a very common and essential part of everyday conversation related to health and habits. For example: "Are you finished with 歯磨き yet?"

歯磨き is typically written in kanji and hiragana: 歯磨き. ⚫︎ 歯 (ha) means "tooth." ⚫︎ 磨き (migaki) is the stem form of the verb 磨く (migaku), which means "to polish" or "to brush." The okurigana (hiragana attached to the kanji) is usually written as 磨き. There are no common variations in spelling.

There aren’t many direct synonyms for 歯磨き itself, as it is a specific action. However, related terms include: ⚫︎ 歯を磨く (ha o migaku) - to brush one's teeth (this is the verb phrase using the kanji and the verb form) ⚫︎ 口腔ケア (koukuu kea) - oral care

There aren’t direct antonyms for 歯磨き. The absence of brushing your teeth could be considered an antonym in practice, but there isn't a specific word for "not brushing your teeth." However, words related to poor oral hygiene could be considered related.

私は毎晩寝る前に必ず歯磨き］をします。 ・Translation: I always brush my teeth before going to bed every night. ・Explanation: This sentence describes the daily routine of brushing teeth before sleep.

子供に歯磨き］をするように促してください。 ・Translation: Please encourage the child to brush their teeth. ・Explanation: This sentence requests someone to encourage a child to brush their teeth.

The word 歯磨き is a compound word. ⚫︎ 歯 (ha) comes from the Old Japanese word for "tooth." ⚫︎ 磨き (migaki) comes from the verb 磨く (migaku), which has roots in the idea of polishing or making something clean. The combination of "tooth" and "polishing" perfectly captures the activity of brushing teeth to clean them.