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English definition of “back”

back

verb     /bæk/
SUPPORT [T] to give support or help to a person, plan, or idea: He backed Mr Clark in the recent election. Parents backed the idea by more than two to one.Becoming and making strongerBacking, supporting and defendingDefending and protectingInvesting money
MONEY [T] to risk money by saying that you think a horse, team, etc will win a race, game, or competition in order to win more money if they do: Many people are backing Holyfield to win the fight.Backing, supporting and defendingDefending and protecting
back (sth) away/into/out, etc to move backwards or drive backwards: She saw he had a gun and backed away. He backed into a wall when he was trying to park.Driving and operating road vehicles
(Definition of back verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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