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.
The brothers kept up their semi-digitized fusion of cadence-lypso and jing-ping (a kind of Dominican folk music), playing tea parties across the island. Kyle Denis, Billboard, 27 June 2025 Part of the rationale for the increases is ensuring Aurora keeps up with state and federal regulations, like the replacement of lead service lines, and keeping a high enough fund balance for things like maintenance, according to past reporting. Molly Morrow, Chicago Tribune, 27 June 2025 Behind every milestone are people trying to keep up, working through ambiguity, managing constant change and still somehow expected to perform at their best. Benjamin Laker, Forbes.com, 27 June 2025 Next week kicks off a new trading month as well as the back half of 2025, and Wall Street will be watching to see if stocks keep up their recent momentum. Sean Conlon, CNBC, 27 June 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 4 Jul. 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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