Translation guide
Describes traits, conditions, titles, or property passed down through family lines. Japanese uses different expressions depending on whether you mean genetic inheritance, family succession, or traditional lineage.
This disease is hereditary.
I'm researching hereditary disorders.
Similar to 遺伝性の, but slightly more adjectival. Often used in technical contexts.
Genetic factors play a large role.
Verb meaning 'to be inherited' (genetically). Used to say a trait runs in the family.
This trait is hereditary.
Referring to a hereditary title, monarchy, or family profession.
Specifically means 'hereditary' for titles, positions, or occupations passed down through generations. Common in historical or political contexts.
He is a hereditary politician.
I'm learning about hereditary monarchy.
Refers to something handed down within a family, like a secret art or tradition. More literary.
It's a hereditary secret medicine.
Describing land, wealth, or heirlooms passed down through generations.
遺伝性 (idensei) is for biological inheritance (genes). 世襲 (seshū) is for social inheritance (titles, positions). Do not mix them up. Saying 世襲の病気 would be incorrect.
hereditary disease (genetic)
hereditary throne
The English word 'hereditary' covers both genetic and social inheritance. In Japanese, you must choose the correct term based on context. Using 遺伝 for a family business would sound strange.
Legal term for hereditary property or estate. More formal.
We discussed the inheritance of the hereditary estate.