[ bak-pak ]
See synonyms for: backpackbackpackedbackpackingbackpacker on

  1. a pack or knapsack, often of canvas or nylon, to be carried on one's back, sometimes supported on a lightweight metal frame strapped to the body.

  2. a piece of equipment designed to be used while being carried on the back.

verb (used without object)
  1. to go on a hike, using a backpack: We went backpacking in the Adirondacks.

verb (used with object)
  1. to place or carry in a backpack or on one's back.

Origin of backpack

An Americanism dating back to 1910–15; back1 + pack1

Other words from backpack

  • backpacker, noun

Words Nearby backpack Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use backpack in a sentence

British Dictionary definitions for backpack


/ (ˈbækˌpæk) /

  1. a rucksack or knapsack

  2. a pack carried on the back of an astronaut, containing oxygen cylinders, essential supplies, etc

  1. (intr) to travel about or go hiking with a backpack

  2. (tr) to transport (food or equipment) by backpack

Derived forms of backpack

  • backpacker, noun
  • backpacking, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012