keep up

verb

kept up; keeping up; keeps up

transitive verb

: to persist or persevere in
kept up the good work
also : maintain, sustain
keep standards up

intransitive verb

1
: to keep adequately informed or up-to-date
keep up on international affairs
2
: to continue without interruption
rain kept up all night
3
: to maintain contact or relations with someone
keep up with old friends

Examples of keep up in a Sentence

let's hope that old air conditioner keeps up through this heat wave kept the house up while the owners were gone
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
An agency backlog and offices closing For years, advocates say the Social Security Administration has struggled to keep up with its growing workload. Ashley Lopez, NPR, 22 Mar. 2025 Ole Miss will have to try and keep up with a Tar Heels team that scores 81.2 points per game. Thomas G. Moukawsher, Newsweek, 21 Mar. 2025 Tariffs, tax cuts, and deregulation are hitting the scene fast, leaving investors scrambling to keep up. Dan Irvine, Forbes, 21 Mar. 2025 After an early surge in arrests, more people are sitting in immigrant detention facilities, in part because deportations have not kept up. Albert Sun, New York Times, 21 Mar. 2025 See All Example Sentences for keep up

Word History

First Known Use

15th century, in the meaning defined at transitive sense

Time Traveler
The first known use of keep up was in the 15th century

Cite this Entry

“Keep up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keep%20up. Accessed 29 Mar. 2025.

Kids Definition

keep up

verb
1
: maintain sense 1
keep standards up
2
: to stay well informed about something
keep up on the news
3
: to continue without interruption
rain kept up all night
4
: to stay even with others (as in a race)

More from Merriam-Webster on keep up

Last Updated: - Updated example sentences
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