keep up
keep up
if particular weather keeps up, it continues without stopping
The rain kept up all afternoon.
keep up (with somebody/something)
to move, make progress or increase at the same rate as somebody/something
Slow down—I can't keep up!
I can't keep up with all the changes.
Wages are not keeping up with inflation.
keep somebody up
to prevent somebody from going to bed
I hope we're not keeping you up.
keep something ↔ up
1 to make something stay at a high level
The high cost of raw materials is keeping prices up.
2 to continue something at the same, usually high, level
The enemy kept up the bombardment day and night.
We're having difficulty keeping up our mortgage payments.
Well done! Keep up the good work/Keep it up!
3 to make something remain at a high level
They sang songs to keep their spirits up.
4 to continue to use or practise something
to keep up old traditions
Do you still keep up your Spanish?
5 to take care of a house, garden, etc. so that it stays in good condition