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.
Musgrove bought an iPhone, MacBook Pro and Beats headphones, keeping up with some of his Grossmont High School classmates. Jeff Sanders, San Diego Union-Tribune, 13 Sep. 2025 Hearn and Warren, who had barely spoken in the years since the former took over the Matchroom helm from his father, Barry, understood that collaboration was necessary to keep up. Sarah Shephard, New York Times, 13 Sep. 2025 Those who don’t keep up with the 3 mph pace are executed by an antagonistic military figure known as the Major (Mark Hamill). Brian Truitt, USA Today, 13 Sep. 2025 Valor Christian is widely viewed as the one team with the athletes and muscle in the trenches to keep up with Creek, but the Eagles have lost four straight to Logan’s Bruins since 2020. Kyle Newman, Denver Post, 13 Sep. 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 15 Sep. 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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