bulk up

verb

bulked up; bulking up; bulks up
Synonyms of bulk upnext

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 Lee’s Summit Police Department will send officers to Kansas City this summer as the city bulks up its police presence during the FIFA World Cup. Ilana Arougheti june 12, Kansas City Star, 12 June 2026 The Directors Guild, led by its president Christopher Nolan, reportedly entered negotiations in hopes of improving conditions to create new jobs, bulk up its health fund, and increase protections against generative AI. Cerys Davies, Los Angeles Times, 10 June 2026 In preparation for his part, Galitzine ate 5,000 calories a day and lifted weights for three hours to bulk up into superhero shape. Rebecca Aizin, PEOPLE, 2 June 2026 To their credit, the Heat have bulked up numerous draft picks over the years, including a recent social-media post of the physical gains made since Jakucionis was drafted in last year’s first round out of Illinois. Ira Winderman, Sun Sentinel, 1 June 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 18 Jun. 2026.

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