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backpack definition

☆ back·pack (-pak′)

noun

  1. a kind of knapsack, often attached to a lightweight frame, worn by campers or hikers
  2. a piece of equipment, as a radio transmitter, used while being carried on the back
  3. an astronaut's pack used in extravehicular activities to provide a life support system and locomotion
  4. a scientific instrument pack attached to people, wild animals, etc. to monitor their physical conditions, locations, etc.

intransitive verb

to hike wearing a backpack

transitive verb

to carry in a backpack

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

backpack Synonyms

backpack

n.

knapsack, pack, rucksack; see bag 1.


Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

backpack Usage Examples

Converse of object

  • carry: No wonder most people will not carry a large backpack!

Adjective modifier

  • swingy: This year, the line includes a soft and swingy, carry-everything backpack.

Modifies a noun

  • that's: Also debuting is a kid-sized Groovy Style ® backpack that's sure to drive store traffic.

Noun used with modifier

  • carry-everything: This year, the line includes a soft and swingy, carry-everything backpack.
backpack usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

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MLA Style

"backpack." Webster's New World College Dictionary. 2009

  • Your Dictionary. 5 July 2009
  • <www.yourdictionary.com/backpack>

APA Style

backpack. (2009). In Webster's New World College Dictionary

  • Retrieved July 5th, 2009, from www.yourdictionary.com/backpack

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