To provide support for someone or something.
Meaning of ‘Back up’ Phrasal Verb in English
Back up
Meaning
Examples
The research data will back up our hypothesis.
Can you back up your claims with credible sources?
It's important to back up your opinions with facts.
Your experience and expertise can back up your proposal.
The witnesses' testimonies backed up the plaintiff's case.
The statistics in the report back up the need for environmental regulations.
Synonyms
Support
Aid
Help
Anotnyms
Oppose