the rear part of the body from neck to hips
My back hurts after sitting too long.
the spine or backbone
He hurt his back lifting heavy boxes.
the part farthest from the front
The ball went to the back of the room.
the reverse side of something
Write your name on the back of the paper.
the end section of a book
The answers are in the back of the book.
the support part of a chair
The chair has a high back for comfort.
describing furniture with a specific back type
This high-backed chair is very comfortable.
a defensive player in sports
The team needs a strong back for defense.
located behind something
We took the back road to avoid traffic.
from an earlier time
I found a back issue of the magazine.
owed from before
He received his back pay yesterday.
a sound made with the back of the tongue
The 'ah' sound is a back vowel.
returning to a previous state or place
She came back home after work.
moving away from the front
Please step back from the edge.
at a previous location
We passed that store a mile back.
in response or return
I'll call you back later.
at a distance
Stand back from the fire.
in the past
This tradition goes back centuries.
restrained or held in
He held back his anger.
popular again
Vintage fashion is back in style.
to support or help financially
The company will back the new project.
to agree with or endorse
Many people back the new policy.
to provide evidence for
The claim is backed by solid proof.
to bet money on
I'll back the home team to win.
to provide musical accompaniment
The band will back the singer tonight.
to move backward
The car backed into the parking space.
to reinforce the reverse side
The photo is backed with cardboard.
to be situated behind
The garden is backed by a forest.