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.
That is a deep cut, even for the tech industry, which bulked up during the pandemic and has been shedding thousands of jobs in recent months. Allison Morrow, CNN Money, 2 Mar. 2026 Since then, he had been encouraged to bulk up, cast in more of a power role. Ira Winderman, Sun Sentinel, 2 Mar. 2026 Playing as one of the two behind Dominic Calvert-Lewin in the 3-4-2-1 Farke has settled on, Stach’s got the defensive steel to bulk up the engine room out of possession, but the guile and stamina to roam forward, wreaking chaos in attack. Beren Cross, New York Times, 23 Feb. 2026 This recipe is bulked up with cubed ham. Kaitlyn Yarborough, Southern Living, 21 Feb. 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 11 Mar. 2026.

Last Updated: - Updated example sentences
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