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.
However, the majority of mutual funds have faced challenges to keep up with the gains in the broader market — only 30% are exceeding benchmarks compared with an average 37% historically, the firm said. Justina Lee, CNBC, 25 May 2026 As summer approaches, keeping up with every emerging trend can feel like a full-time job. Amanda Le, InStyle, 24 May 2026 Want to keep up with the latest crime coverage? Bailey Richards, PEOPLE, 24 May 2026 Affordability, on the other hand, reflects whether your income can keep up with the level of those prices. Bruce Helmer, Twin Cities, 23 May 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 26 May. 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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