リュックサック

りゅっくさっく
noun
backpack; rucksack
1. backpack; rucksack
A bag carried on the back with two shoulder straps. Used for hiking, travel, school, and everyday use.
リュックサックを背負(せお)う。
To carry a backpack on one's back.
旅行(りょこう)にはリュックサックが便利(べんり)だ。
A backpack is convenient for travel.
(あたら)しいリュックサックを()って登山(とざん)()かけた。
I bought a new backpack and went mountain climbing.

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(かつ)ぐ: to shoulder a backpack
  • リュックサックに()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

NOTE:
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.