1
a
: a scarf worn around the neck
b
: something that hides or disguises
2
: a device to deaden noise
especially
: one forming part of the exhaust system of an automotive vehicle
Examples of muffler in a Sentence
Recent Examples on the Web
Watch for an official muffler repair shop and hot dog cart, too.
—
Neal Rubin, Freep.com, 3 Aug. 2025
Don't forget the bespoke integrated exhaust and muffler, as well as custom foot pegs, rear controls, fenders, and mirrors.
—New Atlas, 24 July 2025
Much of the Fusion’s back half looked as if it’d been sheared off, the muffler, the spare tire, and the fuel door the clearest surviving indications of its past form.
—Fort Worth Star-Telegram, 10 July 2025
Hanley heard a loud boom that sounded like a motorcycle muffler.
—Isabel Rivera, Miami Herald, 14 July 2025
See All Example Sentences for muffler
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Neal Rubin, Freep.com, 3 Aug. 2025
Don't forget the bespoke integrated exhaust and muffler, as well as custom foot pegs, rear controls, fenders, and mirrors.
—New Atlas, 24 July 2025
Much of the Fusion’s back half looked as if it’d been sheared off, the muffler, the spare tire, and the fuel door the clearest surviving indications of its past form.
—Fort Worth Star-Telegram, 10 July 2025
Hanley heard a loud boom that sounded like a motorcycle muffler.
—Isabel Rivera, Miami Herald, 14 July 2025
See All Example Sentences for muffler
Cite this Entry
“Muffler.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/muffler. Accessed 21 Aug. 2025.
Copy CitationKids Definition
muffler
noun
muf·fler
ˈməf-lər 
1
: a scarf worn to protect the neck
2
: something that deadens noises
especially
: a device attached to the exhaust system of an automobile
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