keep up

verb

kept up; keeping up; keeps up
Synonyms of keep upnext

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.
This places extra strain on the heart, which pumps harder to keep up with demand. Los Angeles Times, 7 July 2026 The gap between what is taught in school and what is needed in the workplace is widening more quickly than most institutions can keep up with. Eric Francia, Fortune, 7 July 2026 The Sri Lanka bowlers kept up pressure throughout the day, making good use of short-pitch bowling to limit the scoring. ABC News, 6 July 2026 The authors recommended keeping up the funding, though the report didn’t elaborate on extending those initiatives. Bloomberg, Mercury News, 8 July 2026 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 9 Jul. 2026.

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)

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