1
: a short bar with weights at each end that is used usually in pairs for exercise
2
: a stupid person : dummy
Examples of dumbbell in a Sentence
I feel like a dumbbell for making such a stupid mistake.
no, you're not a dumbbell—this is one of the hardest courses the school offers
Recent Examples on the Web
Start with this set from Walmart, which includes five pairs of rubber hex dumbbells ranging from five to 25 pounds.
—
Nora Colomer
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 8 May 2025
Transform your upper-body workouts with a simple pull-up bar and an adjustable dumbbell set.
—Alyssa Ages, New York Times, 3 May 2025
Continue the arc with both arms until the dumbbells reach one another overhead.
—Matt Parrott, Arkansas Online, 20 Apr. 2025
To increase the difficulty, hold a dumbbell or a kettlebell at your chest.
—Hilary Achauer, New York Times, 25 Apr. 2025
See All Example Sentences for dumbbell
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Nora Colomer
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 8 May 2025
Transform your upper-body workouts with a simple pull-up bar and an adjustable dumbbell set.
—Alyssa Ages, New York Times, 3 May 2025
Continue the arc with both arms until the dumbbells reach one another overhead.
—Matt Parrott, Arkansas Online, 20 Apr. 2025
To increase the difficulty, hold a dumbbell or a kettlebell at your chest.
—Hilary Achauer, New York Times, 25 Apr. 2025
See All Example Sentences for dumbbell
Cite this Entry
“Dumbbell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dumbbell. Accessed 21 May. 2025.
Copy CitationKids Definition
dumbbell
noun
dumb·bell
ˈdəm-ˌbel 
1
: a bar with weights at the ends that is usually used for exercise or building strength
2
: a stupid person : dummy entry 1
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