Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “back”

See all translations

back

noun [C]
 
 
/bæk/
NOT FRONT A2 the part of something that is furthest from the front or in the opposite direction to the front: He wrote his number down on the back of an envelope. We were sitting near the back and couldn't see much. I always keep a blanket in the back of the car.Surfaces of objectsEdges and extremities of objects
BODY A2 the part of your body from your shoulders to your bottom: back injuries/pain He was lying on his back. The human torso
SEAT the part of a seat that you lean against when you are sitting: the back of a chairChairs and seats
back to front ( also US front to back) with the back part of something where the front should be: You've got your trousers on back to front.Backwards, sideways and back and forth
in back of US behind: They sat in back of us on the plane.After and behindBefore, after and already
→  See also a pat on the back , be (like) water off a duck's back , at/in the back of your mind , behind sb's back , be glad/happy, etc to see the back of sb/sth , be on sb's back , turn your back on sb/sth
(Definition of back noun from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “back” in other dictionaries

Word of the Day

derivative

If something is derivative, it is not the result of new ideas, but has been developed from or copies something else.

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More