back

Sense 1 noun

the posterior part of a human (or animal) body from the neck to the end of the spine

his back was nicely tanned

Sense 2 verb

be behind; approve of

He plumped for the Labor Party

Sense 3 adverb

in or to or toward a former location

she went back to her parents' house

Sense 4 noun

the side that goes last or is not normally seen

he wrote the date on the back of the photograph

Sense 5 verb

travel backward

back into the driveway

Sense 6 adverb

at or to or toward the back or rear

he moved back

Sense 7 noun

the part of something that is furthest from the normal viewer

he stood at the back of the stage

Sense 8 verb

give support or one's approval to

I'll second that motion

Sense 9 adverb

in or to or toward an original condition

he went back to sleep

Sense 10 noun

(football) a person who plays in the backfield

Sense 11 verb

cause to travel backward

back the car into the parking spot

Sense 12 adverb

in or to or toward a past time

set the clocks back an hour

Sense 13 noun

the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

the fall broke his back

Sense 14 verb

support financial backing for

back this enterprise

Sense 15 adverb

in reply

he wrote back three days later

Sense 16 noun

the protective covering on the front, back, and spine of a book

the book had a leather binding

Sense 17 verb

be in back of

My garage backs their yard

Sense 18 adverb

in repayment or retaliation

we paid back everything we had borrowed

Sense 19 noun

the part of a garment that covers the back of your body

they pinned a `kick me' sign on his back

Sense 20 verb

place a bet on

Which horse are you backing?

Sense 21 noun

a support that you can lean against while sitting

the back of the dental chair was adjustable

Sense 22 verb

shift to a counterclockwise direction

the wind backed

Sense 23 noun

(American football) the position of a player on a football team who is stationed behind the line of scrimmage

Sense 24 verb

establish as valid or genuine

Can you back up your claims?

Sense 25 verb

strengthen by providing with a back or backing