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Definitions of back
  1. noun
    a support that you can lean against while sitting
    "the back of the dental chair was adjustable"

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  2. verb
    give support or one's approval to
    "I can't back this plan"

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  3. verb
    establish as valid or genuine
    "Can you back up your claims?"

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  4. noun
    the side that goes last or is not normally seen
    "he wrote the date on the back of the photograph"

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  5. noun
    the protective covering on the front, back, and spine of a book
  6. noun
    the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
    "the fall broke his back"
  7. noun
    the posterior part of a human (or animal) body from the neck to the end of the spine
    "his back was nicely tanned"

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  8. adverb
    in or to or toward a past time
    "set the clocks back an hour" "never look back" "lovers of the past looking fondly backward"

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  9. verb
    place a bet on
    "Which horse are you backing?"

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  10. verb
    be behind; approve of
    "I backed Kennedy in 1960"
  11. adjective
    located at or near the back of an animal
    "back (or hind) legs"

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  12. noun
    the part of something that is furthest from the normal viewer
    "he stood at the back of the stage"

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  13. adverb
    at or to or toward the back or rear
    "he moved back" "tripped when he stepped backward"
  14. noun
    (American football) the position of a player on a football team who is stationed behind the line of scrimmage
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  15. verb
    be in back of
    "My garage backs their yard"
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    lie
  16. verb
    cause to travel backward
    "back the car into the parking spot"
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  17. noun
    (football) a person who plays in the backfield
  18. adjective
    of an earlier date
    "back issues of the magazine"

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  19. adjective
    related to or located at the back
    "the back yard" "the back entrance"
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  20. verb
    shift to a counterclockwise direction
    "the wind backed"
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  21. verb
    strengthen by providing with a back or backing
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  22. verb
    support financial backing for
    "back this enterprise"
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  23. noun
    the part of a garment that covers the back of your body
    "they pinned a `kick me' sign on his back"
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  24. verb
    travel backward
    "back into the driveway" "The car backed up and hit the tree"
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Definition that contains back
  • bacon back and sides of a hog salted and dried or smoked; usually sliced thin and fried
  • lumbago backache affecting the lumbar region or lower back; can be caused by muscle strain or arthritis or vascular insufficiency or a ruptured intervertebral disc
  • occiput back part of the head or skull
  • regurgitation backflow of blood through a defective heart valve
  • walkover backbends combined with handstands
  • chine backbone of an animal
  • backblast backfire from a recoilless weapon
  • saddle of lamb backbone and both loins of a lamb
  • white backlash backlash by white racists against black civil rights advances
  • lumbar pain backache affecting the lumbar region or lower back; can be caused by muscle strain or arthritis or vascular insufficiency or a ruptured intervertebral disc
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