bulk up

verb

bulked up; bulking up; bulks up

intransitive verb

: to gain weight especially by becoming more muscular

transitive verb

: to cause to bulk up

Examples of bulk up in a Sentence

she bulked up her hair with one hand as she reached for the shears with the other
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.
Serious talks between the two collapsed in 2022 over regulatory concerns but the idea has resurfaced as MTN seeks to bulk up its fiber infrastructure. Tiisetso Motsoeneng, semafor.com, 20 Mar. 2026 Named after Argentine slang for the protein powder and pill cocktail that gym bros use to bulk up fast, and nodding to their own rapid rise, PAPOTA smartly distilled newfound fame into self-critique. Maria Nenet Barrios, Pitchfork, 19 Mar. 2026 If Kim, who doesn’t turn 19 years old until midseason, continues to bulk up and add muscle, there’s a belief that his velocity on the mound and power at the plate could increase. Shawn McFarland, Dallas Morning News, 15 Mar. 2026 Regardless, Rice and his staff will have the chance to go out and get players that can bulk up the roster. Shaun Goodwin, Idaho Statesman, 13 Mar. 2026 See All Example Sentences for bulk up

Word History

First Known Use

1979, in the meaning defined at intransitive sense

Time Traveler
The first known use of bulk up was in 1979

Browse Nearby Words

Cite this Entry

“Bulk up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bulk%20up. Accessed 22 Mar. 2026.

Last Updated: - Updated example sentences
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