Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “back”

back

noun [C] (BODY PART)    /bæk/
A2 the part of your body that is opposite to the front , from your shoulders to your bottom : I've got a bad back. Sleeping on a bed that is too soft can be bad for your back. He lay on his back, staring at the ceiling . I turned my back (= turned round so that I could not see ) while she dressed . She put her back out (= caused a serious injury to her back) lifting a box .The human torso Grammar:BackBack is an adverb, noun, adjective or verb.Grammar:Back as an adverb[taking a photograph]Grammar:Back as a nounGrammar:Back as an adjectiveGrammar:Back as a verb[talking about a pet dog]
(Definition of back noun (BODY PART) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of back

Definitions of “back” in other dictionaries

Word of the Day

prenuptial agreement

an official document signed by two people before they get married that says what will happen to their possessions and/or children if they divorce (= officially stop being married)

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More