back

verb

Definitions of back

English

to give your support to a project, plan, or decision etc

A planned ban on street drinking in a town centre has been backed by the police and crime commissioner.

English

to sign a document to show acceptance or show financial responsibility for someone or something

We can only accept this as security if you back it first.

English

to sign the back of a negotiable instrument (=document which represents an intangible right of payment); to endorse

The instrument in question was backed with the instruction "pay to the order of Emily Burns".