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
Select a pair of light dumbbells and stand with your feet just beyond shoulder-width apart.
—
Matt Parrott, Arkansas Online, 29 June 2025
Even the best weights sets like adjustable dumbbells or even resistance bands can’t provide the same amount of versatility and effectiveness as sandbags.
—Bestreviews, Mercury News, 24 June 2025
Figure Eight Drill Repetitions: 20 seconds, repeated three times
Video
Set two dumbbells, cones or yoga blocks 10 to 15 feet apart.
—Amanda Loudin, New York Times, 5 Apr. 2025
Bonus: There are cradles for your dumbbells, along with a tablet holder.
—Sara Coughlin, SELF, 28 May 2025
See All Example Sentences for dumbbell
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Matt Parrott, Arkansas Online, 29 June 2025
Even the best weights sets like adjustable dumbbells or even resistance bands can’t provide the same amount of versatility and effectiveness as sandbags.
—Bestreviews, Mercury News, 24 June 2025
Figure Eight Drill Repetitions: 20 seconds, repeated three times
Video
Set two dumbbells, cones or yoga blocks 10 to 15 feet apart.
—Amanda Loudin, New York Times, 5 Apr. 2025
Bonus: There are cradles for your dumbbells, along with a tablet holder.
—Sara Coughlin, SELF, 28 May 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 31 Jul. 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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