Run Low (to be running low)

Meaning Of Idiom ‘Run Low’ (Phrasal Verb)

To run low on something (to be running low)  is to be near the end of one’s supply of something; to have used most of something so that there is very little left.

Examples Of Use

“We’re running low on toilet paper so you’d better be sparing with it!”

“The plane was running low on fuel and was forced to make an emergency landing.”

“We’re running low on coffee. Could you pick up some on your way home?”

“We’d better stop at a gas station first. We’re running low.”

“During the cold snap, everyone was running low on food and water.”

Origin

Used since at least the latter half of the 1800s.