brush up

verb

brushed up; brushing up; brushes up
Synonyms of brush upnext

transitive verb

1
: to improve or polish as if by brushing
2
: to renew one's skill in
brush up your Spanish

intransitive verb

: to refresh one's memory : renew one's skill
brush up on math
brushup noun

Examples of brush up in a Sentence

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.
Meanwhile, O'Toole, who died in 2013 at 81, helped Slater brush up on her acting skills as the two filmed their scenes together. Daniel S. Levine, PEOPLE, 30 June 2026 Ahead, brush up on all our freshest ideas on how to style baggy jeans this season. Jake Henry Smith, Glamour, 29 June 2026 The Magic are brushing up against the NBA’s unforgiving second apron, and every dollar matters. Mike Bianchi, The Orlando Sentinel, 27 June 2026 According to the Missouri Botanical Garden, its leaves, fruits, and roots are all highly toxic whether eaten or just brushed up against if there's an open wound or abrasion. Melissa Locker, Southern Living, 22 June 2026 See All Example Sentences for brush up

Word History

First Known Use

circa 1600, in the meaning defined at transitive sense 1

Time Traveler
The first known use of brush up was circa 1600

Browse Nearby Words

Cite this Entry

“Brush up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brush%20up. Accessed 5 Jul. 2026.

Kids Definition

brush up

verb
: to refresh one's memory, skill, or knowledge
brush up on your Spanish

More from Merriam-Webster on brush 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