back
     adj 1: related to or located at the back; "the back yard"; "the
            back entrance" [syn: {back(a)}] [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" [syn: {back(a)}]
     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: {dorsum}]
     2: the side that goes last or is not normally seen; "he wrote
        the date on the back of the photograph" [syn: {rear}]
        [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: {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},
         {rachis}]
     6: the front and back covering of a book; "the book had a
        leather binding" [syn: {binding}, {book binding}, {cover}]
     7: the part of a garment that covers your back; "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: {backrest}]
     9: the position of a player on a football team who is stationed
        behind the line of scrimmage
     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: {backward}, {backwards},
        {rearward}, {rearwards}] [ant: {forward}]
     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: {backward}] [ant: {ahead}, {ahead}]
     5: in answer; "he wrote back three days later"; "had little to
        say in reply to the questions" [syn: {in reply}]
     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"
     v 1: be behind; approve of; "He plumped for the Labor Party"; "I
          backed Kennedy in 1960" [syn: {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}, {endorse}, {indorse}]
     4: cause to travel backward; "back the car into the parking
        spot" [ant: {advance}]
     5: support financial backing for; "back this enterprise"
     6: be in back of; "My garage backs their yard" [ant: {front}]
     7: place a bet on; "Which horse are you backing?"; "I'm betting
        on the new horse" [syn: {bet on}, {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 up}]
     10: strengthen by providing with a back or backing
Source: WordNet® 2.0