Translation guide
The English word 'registered' can refer to official record-keeping, certified mail, or being formally enrolled. This guide covers natural Japanese expressions for these meanings.
To say that something or someone is officially entered into a list, database, or system.
The most common and neutral way to say 'registered' for accounts, memberships, products, etc. It literally means 'registration completed'.
Referring to mail that is recorded and tracked, often requiring a signature.
The standard term for registered mail in Japan. Often used as '書留で送る' (send by registered mail).
To say that someone is officially signed up for a class, school, or program.
Means 'to be enrolled' or 'on the roster' of a school or course. Emphasizes current status.
Do not use 'レジスタード' (rejisutādo) as a direct loanword; it is not natural Japanese. Use the appropriate Japanese term based on context.
This product is registered.
The past tense of 'to register', used when emphasizing the action of registering. More verb-like than 登録済み.
I registered as a member yesterday.
Used specifically for legal or corporate registrations, such as real estate or company registration.
This company is registered.
Please send this letter by registered mail.
A cheaper, simpler version of registered mail with basic tracking but no compensation for loss.
I'll send it by simplified registered mail.
He is registered at the university.
Can also be used for course registration, but 在籍 is more natural for ongoing enrollment.
Many students are registered for that class.