Translation guide
A walk-in closet is a large closet big enough to walk into. In Japanese, this concept is often expressed with borrowed English terms or descriptive phrases.
A large closet or storage room that you can physically enter, typically for clothes and accessories.
The most common and direct loanword for 'walk-in closet'. Widely understood in modern Japanese, especially in real estate and interior design contexts.
このマンションには広いウォークインクローゼットがあります。
This apartment has a spacious walk-in closet.
A common abbreviation of 'walk-in closet'. Often used in casual conversation or real estate listings.
寝室にウォークインがついています。
The bedroom comes with a walk-in closet.
A traditional Japanese storage room, sometimes used as a walk-in closet. However, it often implies a smaller, multipurpose storage space rather than a dedicated clothes closet.
I'm using the storage room as a walk-in closet.