back + pack

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Word parts

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Pronunciation

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Singular
backpack

Plural
backpacks

 
A hiking backpack.
  1. (countable) A backpack is a bag that is supported by straps and is worn on a person’s back for the purpose of carrying things.

Plain form
backpack

Third-person singular
backpacks

Past tense
backpacked

Past participle
backpacked

Present participle
backpacking

  1. (intransitive) If a person backpacks, they hike and camp overnight with minimal luggage and cheap accommodation.