A1noun1K

Back

UK /["/bæk/"]/US /["/bæk/"]/

Definition

the part of the human body that is on the opposite side to the chest, between the neck and the tops of the legs; the part of an animal’s body that corresponds to this

In simple words: The rear part of something, or to return to a previous position.

Examples

  • She hurt her back while lifting the boxes.
  • He turned his back on the argument.
  • The book is on the back shelf.
  • Please write your name on the back of the form.
  • He has a pain in his back from sitting too long.

Usage notes

Use 'back' in various contexts like returning to a place or mentioning the rear side of an object. Avoid in very formal writing where a more specific term may be preferred.

Grammar pattern

back + adverb/adjective

Memory hint

Think of a backpack; it goes on your back!

Collocations

  • broad
  • slender
  • muscular
  • bend
  • hunch
  • straighten
  • arch
  • stiffen
  • straighten
  • injury
  • pain
  • trouble
  • behind somebody’s back
  • flat on your back
  • on your back
  • somebody’s back is turned
  • back to back
  • a pat on the back
  • broad
  • slender
  • muscular
  • bend
  • hunch
  • straighten
  • arch
  • stiffen
  • straighten
  • injury
  • pain
  • trouble
  • behind somebody’s back
  • flat on your back
  • on your back
  • somebody’s back is turned
  • back to back
  • a pat on the back
  • around back
  • around the back
  • round the back
  • back to front

Synonyms

  • rear
  • reverse
  • behind
  • return

Antonyms

  • front
  • forward

Common mistakes

  • Confusing 'back' with 'backward' when describing direction.
  • Using 'back' when 'return' is more suitable in formal contexts.
  • Overusing 'back' in phrases that can be simplified.