back 
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adv 1: in or to or toward a former location; "she went back to
her parents' house"
2: at or to or toward the back or rear; "he moved back";
"tripped when he stepped backward"; "she looked rearward out
the window of the car" [syn: back, backward, backwards,
rearward, rearwards] [ant: forrad, forrard,
forward, forwards, frontward, frontwards]
3: in or to or toward an original condition; "he went back to
sleep"
4: in or to or toward a past time; "set the clocks back an
hour"; "never look back"; "lovers of the past looking fondly
backward" [syn: back, backward] [ant: ahead, forward]
5: in reply; "he wrote back three days later"
6: 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"
adj 1: related to or located at the back; "the back yard"; "the
back entrance" [ant: front(a)]
2: located at or near the back of an animal; "back (or hind)
legs"; "the hinder part of a carcass" [syn: back(a),
hind(a), hinder(a)]
3: of an earlier date; "back issues of the magazine"
n 1: the posterior part of a human (or animal) body from the
neck to the end of the spine; "his back was nicely tanned"
[syn: back, dorsum]
2: the side that goes last or is not normally seen; "he wrote
the date on the back of the photograph" [syn: rear, back]
[ant: front]
3: the part of something that is furthest from the normal
viewer; "he stood at the back of the stage"; "it was hidden
in the rear of the store" [syn: back, rear] [ant:
front]
4: (football) a person who plays in the backfield
5: the series of vertebrae forming the axis of the skeleton and
protecting the spinal cord; "the fall broke his back" [syn:
spinal column, vertebral column, spine, backbone,
back, rachis]
6: the protective covering on the front, back, and spine of a
book; "the book had a leather binding" [syn: binding, book
binding, cover, back]
7: the part of a garment that covers the back of your body;
"they pinned a `kick me' sign on his back"
8: a support that you can lean against while sitting; "the back
of the dental chair was adjustable" [syn: back, backrest]
9: (American football) the position of a player on a football
team who is stationed behind the line of scrimmage
v 1: be behind; approve of; "He plumped for the Labor Party"; "I
backed Kennedy in 1960" [syn: back, endorse, indorse,
plump for, plunk for, support]
2: travel backward; "back into the driveway"; "The car backed up
and hit the tree"
3: give support or one's approval to; "I'll second that motion";
"I can't back this plan"; "endorse a new project" [syn:
second, back, endorse, indorse]
4: cause to travel backward; "back the car into the parking
spot" [ant: advance, bring forward]
5: support financial backing for; "back this enterprise"
6: be in back of; "My garage backs their yard" [ant: face,
front, look]
7: place a bet on; "Which horse are you backing?"; "I'm betting
on the new horse" [syn: bet on, back, gage, stake,
game, punt]
8: shift to a counterclockwise direction; "the wind backed"
[ant: veer]
9: establish as valid or genuine; "Can you back up your claims?"
[syn: back, back up]
10: strengthen by providing with a back or backing
