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.
Both Faulstich and the couple’s son, Matt Gates, praised their father’s commitment to routine, both in keeping up the tradition of the Peachtree Road Race and life in general. Andre Butso, AJC.com, 2 July 2026 In the sweet family snap, Mahomes posed wearing a no-fuss crossbody sling bag that’s ideal for staying hands-free — and keeping up with her and Patrick Mahomes’ three children, Sterling, Bronze, and Golden. Averi Baudler, PEOPLE, 1 July 2026 The end goal should not be minimizing the number of systems per se, but rather making sure those systems can be adjusted and integrated quickly to keep up with changing business demands. Eugenia Mykuliak, Forbes.com, 1 July 2026 Expect Pogačar and Vingegaard to test their legs in this one, along with anyone else who can keep up. Jacob Whitehead, New York Times, 1 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 3 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)

More from Merriam-Webster on keep up

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster