1
: a short bar with weights at each end that is used usually in pairs for exercise
2
: a stupid person : dummy
Synonyms of dumbbell
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
Adding weight doesn’t have to mean jumping straight to dumbbells or other free weights.
—
Dana Santas, CNN Money, 5 Dec. 2025
And while most any form of movement is beneficial, there’s one underrated type that doesn’t involve busting your ass on a stationary bike, holding complicated yoga poses, or heaving dumbbells around.
—Jenny McCoy, SELF, 3 Dec. 2025
In the clip, Seacrest began doing squats with a large dumbbell before using his core to help balance while doing crunches on a bench with a weight.
—Angel Saunders, PEOPLE, 27 Nov. 2025
Pause for a second, then slowly lower the dumbbells.
—Jenessa Connor, Health, 24 Nov. 2025
See All Example Sentences for dumbbell
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Dana Santas, CNN Money, 5 Dec. 2025
And while most any form of movement is beneficial, there’s one underrated type that doesn’t involve busting your ass on a stationary bike, holding complicated yoga poses, or heaving dumbbells around.
—Jenny McCoy, SELF, 3 Dec. 2025
In the clip, Seacrest began doing squats with a large dumbbell before using his core to help balance while doing crunches on a bench with a weight.
—Angel Saunders, PEOPLE, 27 Nov. 2025
Pause for a second, then slowly lower the dumbbells.
—Jenessa Connor, Health, 24 Nov. 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 14 Dec. 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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