Translation guide
A rucksack is a type of backpack, often used for hiking or travel. In Japanese, the most common equivalent is リュックサック, but other terms exist depending on context.
The learner wants to refer to a rucksack in everyday conversation, typically a backpack with shoulder straps.
The most common and neutral word for a rucksack or backpack. Often shortened to リュック in casual speech.
新しいリュックサックを買った。
I bought a new rucksack.
そのリュックサック、かわいいね。
That rucksack is cute.
Shortened form of リュックサック, very common in casual conversation.
リュックを背負って学校に行く。
I go to school wearing a backpack.
Loanword from English 'backpack'. Used especially for travel or hiking backpacks, but less common than リュックサック in daily life.
旅行用のバックパックを探している。
I'm looking for a travel backpack.
A traditional Japanese term for a backpack or sack carried on the back. Rarely used in modern conversation; may appear in historical or literary contexts.
昔の旅人は背負い袋を使っていた。
Travelers in the old days used a backpack.
The learner wants to specify a rucksack designed for outdoor activities like hiking or climbing.
Short for リュックサック, but strongly associated with mountaineering and hiking. Often used in compound words like 登山ザック (climbing backpack).
登山用のザックを買いに行く。
I'm going to buy a mountaineering rucksack.
Literally 'climbing rucksack'. A clear and common term for a hiking backpack.
この登山リュックは軽くて丈夫だ。
This hiking rucksack is light and sturdy.
The learner wants to refer to a large, sturdy rucksack used by soldiers or in military contexts.
A military term for a backpack or knapsack. Rarely used outside military or historical contexts.
兵士は背嚢を背負って行進した。
The soldiers marched carrying their rucksacks.
In casual conversation, リュックサック is frequently shortened to リュック. This is perfectly natural and widely understood.
リュック忘れた！
I forgot my backpack!
リュックサック is the general term for any backpack, including school bags and daypacks. バックパック often implies a larger travel or hiking backpack, similar to English 'backpack' in a travel context.
リュックサックは通学に使う。
I use a rucksack for school.
バックパックで世界一周旅行に行く。
I'm going on a round-the-world trip with a backpack.