Phrasal Verbs with BACK

back away
to stop supporting a plan or idea
They seem to be backing away from their proposal.

back down
to withdraw a claim or commitment due to strong opposition
The city council was forced to back down on its plan.

back off
to stop bothering or annoying someone
She was getting irritated, so he backed off.

back out
to decide not to do something you agreed to do
They backed out of the deal at the last minute.

back up
to support someone or something
We will back you up if they don’t believe you.