1.
If you keep up with someone or something that is moving near you, you move at the same speed.
She shook her head and started to walk on. He kept up with her.
PHRASAL VERB : V P with n , also V P
2.
To keep up with something that is changing means to be able to cope with the change, usually by changing at the same rate.
...wage increases which keep up with inflation...
Things are changing so fast, it’s hard to keep up.
PHRASAL VERB : V P with n , V P
3.
If you keep up with your work or with other people, you manage to do or understand all your work, or to do or understand it as well as other people.
Penny tended to work through her lunch hour in an effort to keep up with her work...
Life is tough for kids who aren’t keeping up in school.
PHRASAL VERB : V P with n , V P
4.
If you keep up with what is happening, you make sure that you know about it.
She did not bother to keep up with the news.
PHRASAL VERB : V P with n , also V P
5.
If you keep something up , you continue to do it or provide it.
I was so hungry all the time that I could not keep the diet up for longer than a month...
They risk losing their homes because they can no longer keep up the repayments.
PHRASAL VERB : V n P , V P n (not pron)
6.
If you keep something up , you prevent it from growing less in amount, level, or degree.
There will be a major incentive among TV channels to keep standards up...
Opposition forces are keeping up the pressure against the government.
PHRASAL VERB : V n P , V P n (not pron)
7.
see also keep 23