Translation guide
A container for carrying water, typically reusable. In Japanese, the most common term is 水筒 (suitō), but other words exist depending on material, shape, and context.
A portable container for drinking water, often used at school, work, or outdoors.
The standard word for a reusable water bottle, often cylindrical and carried in a bag. Used by all ages.
I bring a water bottle to school every day.
A trendy term for a personal reusable bottle, often used in eco-friendly contexts. Common among young adults.
Direct loanword from English, used mainly in product names or sports contexts. Not as common in daily conversation.
This water bottle is lightweight and easy to carry.
A single-use bottle of water purchased from a store.
Literally 'PET bottle water'. This is the most natural way to refer to bottled water in a plastic container.
A rugged, often large bottle used for hiking, sports, or gym.
Specifically a sports water bottle, often with a squeeze top or straw.
A bottle that keeps drinks hot or cold.
Specifically a bottle with thermal insulation. Often used for both hot and cold drinks.
While understood, ウォーターボトル sounds like a product name or English. Use 水筒 for a reusable bottle and ペットボトルの水 for a store-bought plastic bottle.
水筒 is the general term for any portable water container, often used by children and adults. マイボトル is a trendy, eco-friendly term popular among young people and in cafes.
Don't forget your water bottle.
This water bottle has a thermal function.
カフェでマイボトルにコーヒーを入れてもらった。
I had them put coffee in my reusable bottle at the café.
I bought a bottle of water at the convenience store.
Refers to mineral water, often in a bottle. Can imply bottled water in general.
One bottle of mineral water, please.
I take a sports bottle to the gym.
Also used for larger, durable bottles for outdoor activities.
You need a large water bottle for mountain climbing.
In winter, I put hot tea in a thermos.
Literally 'magic bottle', a traditional term for a vacuum flask. Often used for larger, older-style thermoses.
We put coffee in a thermos and went on a picnic.
I refilled my water bottle at the fountain.