Translation guide
The medical term for grinding or clenching teeth, often during sleep. In Japanese, it is commonly referred to as 歯ぎしり (hagishiri) or 歯を食いしばる (ha o kuishibaru) depending on the context.
To describe the involuntary grinding or clenching of teeth, typically at night.
The most common and general term for teeth grinding, especially during sleep. It can also refer to grinding teeth in anger or frustration.
To express gritting or clenching teeth as a reaction to anger, frustration, or resolve.
Used for consciously clenching teeth in response to pain, anger, or when enduring something difficult.
彼は怒りで歯を食いしばった。
He clenched his teeth in anger.
歯ぎしり (hagishiri) typically refers to involuntary grinding, especially during sleep, while 歯を食いしばる (ha o kuishibaru) is more about conscious clenching. However, both can overlap in describing stress-related habits.
I was told that I grind my teeth badly at night.
歯ぎしりで歯がすり減ってしまった。
My teeth have worn down from grinding.
Literally 'to clench one's teeth'. Often used for conscious clenching due to stress, pain, or effort, but can also describe nighttime bruxism.
ストレスで寝ている間に歯を食いしばっているみたいだ。
It seems I clench my teeth while sleeping due to stress.
The direct loanword from English, used in medical or dental contexts. Not common in everyday conversation.
ブラキシズムの治療にはマウスピースが有効です。
A mouthguard is effective for treating bruxism.
Endure the pain by gritting one's teeth.
Can also mean grinding teeth in frustration or anger, not just during sleep.
悔しさに歯ぎしりする。
Grind one's teeth in frustration.