1. [ adverb ] in or to or toward a former location

"she went back to her parents' house"

2. [ noun ] (zoology) the posterior part of a human (or animal) body from the neck to the end of the spine
Synonyms: dorsum

"his back was nicely tanned"

Related terms: body_part torso latisimus_dorsi small dorsal_vertebra lumbar_vertebra dorsal_vertebra saddle
3. [ adverb ] at or to or toward or the back or rear
Synonyms: backward rearward backwards rearwards

"he moved back" "tripped when he stepped backward" "she looked rearward out the window of the car"

Related terms: forward
4. [ adverb ] in or to or toward an original condition

"he went back to sleep"

5. [ adjective ] related to or located at the back

"the back yard" "the back entrance"

Related terms: front backmost rear posterior aft
6. [ adverb ] in or to or toward a past time
Synonyms: backward

"set the clocks back an hour" "never look back" "lovers of the past looking fondly backward"

Related terms: ahead ahead
7. [ adverb ] in answer
Synonyms: in_reply

"he wrote back three days later" "had little to say in reply to the questions"

8. [ noun ] the side that goes last or is not normally seen
Synonyms: rear

"he wrote the date on the back of the photograph"

Related terms: front side stern tail
9. [ verb ] be behind; approve of
Synonyms: support endorse indorse plump_for plunk_for

"He plumped for the Labor Party" "I backed Kennedy in 1960"

Related terms: approve champion guarantee side second backing endorsement endorsement subscriber
10. [ verb ] travel backward

"back into the driveway" "The car backed up and hit the tree"

Related terms: travel back_out back_up back_up back_up back_out
11. [ noun ] the part of something that is furthest from the normal viewer
Synonyms: rear

: "he stood at the back of the stage" "it was hidden in the rear of the store"

Related terms: front position
12. [ verb ] give support or one's blessing to
Synonyms: endorse indorse second

"I'll second that motion" "I can't back this plan" "endorse a new project"

Related terms: support backing endorsement seconder subscriber second
13. [ verb ] cause to travel backward

"back the car into the parking spot"

Related terms: advance
14. [ verb ] (finance) support financial backing for

"back this enterprise"

Related terms: finance angel
15. [ adjective ] located at or near the back of an animal
Synonyms: hinder hind

"back (or hind) legs" "the hinder part of a carcass"

Related terms: posterior
16. [ adverb ] in repayment or retaliation

"we paid back everything we had borrowed" "he hit me and I hit him back" "I was kept in after school for talking back to the teacher"

17. [ verb ] be in back of

"My garage backs their yard"

Related terms: front lie lie rear
18. [ noun ] (football) a person who plays in the backfield
Related terms: football_player halfback quarterback fullback tailback wingback running_back flanker football
19. [ noun ] the front and back covering of a book
Synonyms: cover book_binding binding

"the book had a leather binding"

Related terms: protective_covering half_binding three-quarter_binding book cover bind
20. [ adjective ] of an earlier date

"back issues of the magazine"

Related terms: noncurrent
21. [ verb ] establish as valid or genuine
Synonyms: back_up substantiate

"Can you substantiate your claims?"

Related terms: confirm reinforce vouch
22. [ verb ] strengthen by providing with a back or backing
Related terms: strengthen binding
23. [ noun ] a support that you can lean against while sitting
Synonyms: backrest

"the back of the dental chair was adjustable"

Related terms: support cantle ladder-back chair car_seat
24. [ verb ] (games) place a bet on
Synonyms: bet_on stake game punt gage

"Which horse are you backing?" "I'm betting on the new horse"

Related terms: bet parlay ante bettor
25. [ verb ] shift to a counterclockwise direction, of the wind
Related terms: veer switch
26. [ noun ] Last name, frequency rank in the U.S. is 3655
27. [ noun ] (anatomy,zoology) the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
Synonyms: spine vertebral_column backbone rachis spinal_column

"the fall broke his back"

Related terms: skeletal_structure notochord chine axial_skeleton vertebra coccyx intervertebral_disc spinal_canal
28. [ noun ] the part of a garment that covers your back

"they pinned a `kick me' sign on his back"

Related terms: cloth_covering
29. [ noun ] (sport,american football) the position of a player on a football team who is stationed behind the line of scrimmage
Related terms: position fullback halfback tailback wingback line_backer quarterback secondary backfield American_football
Similar spelling:   Bak