backs, backed, backing

to back up
phrasal verb

To support or confirm someone's statement or action
  • 1She asked her friend to back up her story.
  • 2The data backs up his claims.
When you agree with what someone says or does, and you give reasons or proof to show they are right, you are helping them. For example, if your friend says something is true and you give more information to show it is true, you are helping them.
Card
In meetings or group discussions, people often ask, "Can anyone back me up on this?" when they want others to support what they are saying.
at a concert
Concert Night Support
Carol
I told the security that we have backstage passes, but they didn't believe me.
Jason
Don't worry, I'll back you up. I have the email confirmation right here.
Carol
Thanks, Jason! I knew I could count on you.
Jason
No problem, let's enjoy the show!
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Similar to "to back up":
  • 1support
  • 2endorse