Translation guide
In Japanese, Wellington boots are most commonly referred to as 長靴 (nagagutsu), literally 'long boots'. This is the standard term for rubber rain boots or Wellingtons. Other terms exist but are less common or more specific.
The most common way to refer to Wellington boots in Japanese, suitable for everyday conversation.
The standard word for rubber boots or Wellingtons. Literally 'long boots'. Used for any knee-high waterproof boots.
長靴 is the everyday word for Wellington boots. It covers all knee-high waterproof boots, whether for rain, gardening, or work. In casual conversation, you can simply say 長靴. If you want to emphasize the material or style, you can use レインブーツ (fashion) or ゴム長靴 (industrial).
雨の日は長靴を履いて出かけます。
On rainy days, I go out wearing Wellington boots.
I bought children's Wellington boots.
Loanword from English 'rain boots'. Often used in fashion contexts or for stylish rubber boots, but understood as Wellingtons.
I want some stylish Wellington boots.
Literally 'rubber long boots'. Emphasizes the material. More common in work or industrial contexts.
Please wear rubber Wellington boots at the construction site.