| muffler | (noun) a scarf worn around the neck | - |
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| (noun) a tubular acoustic device inserted in the exhaust system that is designed to reduce noise | Synonyms: silencer |
| (noun) a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations | Synonyms: damper |
| shuffler | (noun) someone who walks without raising the feet | - |
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| (noun) the card player who shuffles the cards | - |
| sniffler | (noun) a person who breathes audibly through a congested nose | Synonyms: sniveler |
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| snuffler | (noun) a person who breathes noisily (as through a nose blocked by mucus) | - |
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| stifler | (noun) a person who stifles or smothers or suppresses | Synonyms: smotherer |
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| trifler | (noun) one who behaves lightly or not seriously | - |
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| waffler | (noun) someone who speaks or writes in a vague and evasive manner | - |
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