リュックサック

A loanword from German "Rucksack." In everyday Japanese, often abbreviated to リュック.

Common collocations

• リュックサックを背負(せお)う: to carry a backpack
• リュックサックを担(かつ)ぐ: to shoulder a backpack
• リュックサックに詰(つ)める: to pack into a backpack
• 防水(ぼうすい)リュックサック: waterproof backpack

Similar words

• リュック: abbreviated form — the most common way to say "backpack" in casual speech
• バックパック: backpack — from English, also used
• ナップサック: knapsack — a simpler, lighter drawstring bag
• ランドセル: school satchel — the rigid backpack used by elementary school students

Usage

In casual conversation, リュック is far more common than the full form リュックサック. The full form sounds slightly more formal or is used when precision is needed.