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.
The Chiefs signed running back Kenneth Walker and used three picks in the top 40 to bulk up a defense that could not get off the field on third down last season. Troy Renck, Denver Post, 25 Apr. 2026 Scourton played two seasons at Purdue (10 sacks and 15 tackles for loss in 2023), then transferred to Texas A&M last year and bulked up to 285 pounds. Sam Warren, New York Times, 25 Apr. 2026 Long strands like spaghetti or linguine may not bulk up quite as much after cooking, while short shapes like penne or rigatoni can swell up in size, taking up more plate space. Katie Rosenhouse, Southern Living, 22 Apr. 2026 Netflix is bulking up its podcast lineup, announcing five new shows coming to the streaming platform. Todd Spangler, Variety, 16 Apr. 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 6 May. 2026.

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