prop up

US /prɑːp ʌp/
UK /prɑːp ʌp/
"prop up" picture
1.

to support something that is falling or is likely to fall

:
He used a stick to prop up the leaning fence.
The old building needed to be propped up with wooden beams.
2.

to give help or support to something, especially an economy or a system, so that it can continue to exist

:
The government had to prop up the failing banks.
Foreign aid is used to prop up the country's weak economy.