Meaning of “back” - Learner’s Dictionary


verb uk us /bæk/

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.

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.
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.

(Definition of “back verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)