Translation guide
The concept of something lasting forever or for an unlimited time. In Japanese, this is expressed through nouns, adverbs, and set phrases rather than a single direct equivalent.
Expressing that something continues forever without end.
Referring to a legal or financial arrangement that lasts indefinitely, such as a trust or annuity.
Used adverbially to mean 'in perpetuity' in legal or formal contexts.
この土地は永久に保護される。
This land is protected in perpetuity.
Using 'perpetuity' informally to mean a very long time, not literally forever.
A common adverb meaning 'all the time' or 'forever' in casual speech. Not literally perpetual, but conveys a long duration.
The English word 'perpetuity' is often used in formal or legal contexts. In everyday Japanese, it's more natural to use adverbs like ずっと or いつまでも rather than trying to directly translate the noun.
The most common and general word for 'eternity' or 'perpetuity'. Used in both literal and figurative contexts.
愛は永遠に続く。
Love lasts forever.
Similar to 永遠, but often used in more concrete or technical contexts, like 'permanent' or 'perpetual'.
この橋は永久に残るだろう。
This bridge will remain in perpetuity.
A more emphatic and literary phrase meaning 'for all eternity' or 'forever and ever'.
その記憶は未来永劫語り継がれる。
That memory will be passed down in perpetuity.
Means 'perpetually' or 'continuously', often used in business or legal documents.
基金は永続的に運営される。
The fund is managed in perpetuity.
彼はずっとここにいるつもり？
Does he plan to stay here in perpetuity?
Means 'forever' or 'for ages', often used in emotional or poetic contexts.
この幸せがいつまでも続きますように。
May this happiness last in perpetuity.