Translation guide
The powdery residue left after something burns. In Japanese, the word used depends on what burned and the context.
The gray or black powdery remains after something burns, such as wood, paper, or cigarettes.
The most common word for ashes from burning things like wood, paper, or cigarettes. Can also refer to volcanic ash.
たばこの灰を灰皿に落とした。
I tapped the cigarette ash into the ashtray.
暖炉の灰を掃除した。
I cleaned the ashes from the fireplace.
Literally 'burned-out husk'. Refers to the remains of something that has burned, often emphasizing the leftover solid pieces rather than fine powder.
キャンプファイヤーの燃え殻を片付けた。
We cleaned up the remains of the campfire.
The ashes and bone fragments left after cremation of a person or pet.
Specifically refers to the ashes of a deceased person or animal after cremation. Used in formal or respectful contexts.
祖母の遺灰を海に撒いた。
We scattered my grandmother's ashes at sea.
Literally 'honorable bones'. In Japanese Buddhist tradition, after cremation, family members pick up the remaining bone fragments with chopsticks. This term refers to those remains, which are more than just fine ash. It is the common, respectful way to refer to cremated remains in everyday conversation.
お骨を骨壷に納める。
Place the cremated remains into the urn.
Fine particles of rock and mineral ejected by a volcano.
The standard term for volcanic ash. Used in news, science, and everyday conversation.
火山灰が街中に降り積もった。
Volcanic ash piled up all over the town.
Used metaphorically to describe something reduced to nothing, often in phrases like 'burned to ashes' or 'rise from the ashes'.
Literally 'become ashes'. Used figuratively to mean something is completely destroyed by fire or reduced to nothing.
家が火事で灰になった。
The house was burned to ashes.
A literary or formal expression meaning 'to be reduced to ashes'. Often used in historical or dramatic contexts.
城は灰燼に帰した。
The castle was reduced to ashes.
Use 灰 (はい) for everyday ashes from fire, cigarettes, etc. Use 遺灰 (いはい) for cremation ashes in formal contexts. Use お骨 (おこつ) for cremated remains in personal, respectful conversation, emphasizing the bone fragments.
While 灰 can technically refer to any ash, using it for human remains may sound insensitive or overly blunt. Stick to 遺灰 or お骨 when talking about a deceased person.