stay up

phrasal verb·3 senses·particle up

Meanings

1

Not go to bed at the usual time

Why “up”? More of something is higher. Quantity, intensity and speed all rise.

We stayed up late watching films.
We went to bed much later than usual watching films.
They stayed up to watch the election results.
They went to bed later than usual to watch the election results.
She stayed up all night to finish the essay.
She went without sleep all night to finish the essay.
2

Remain in a raised or upright position

Upwarduncommon

Why “up”? Movement goes from low to high.

I tied a knot so the ribbon would stay up.
I tied a knot so the ribbon would remain in a raised position.
The shelf stayed up after we added two screws.
The shelf remained in a raised position after we added two screws.
The shelf stayed up for years before falling.
The shelf remained mounted on the wall for years before falling.
3

(of a price, level or value) remain at a high point

House prices have stayed up despite the slowdown.
House prices have remained high despite the slowdown.
Fuel costs stayed up through the winter.
Fuel costs remained high through the winter.
Oil prices stayed up for months.
Oil prices remained elevated for months.

Don't confuse with

stay upstay out

Stay up means not go to bed at the usual time. Stay out means remain outside or away from a place.

Test yourself

We stayed up late watching films. What does it mean?

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