English Reference

Word

muffler

Phoneticsmuf·fler, stress on the first syllable

US/ˈməfɫɝ/

UK/mˈʌflɐ/

Countable noun

Definition

n. a part of a car's exhaust system that makes the engine quieter. It is also an old-fashioned word for a thick scarf worn around your neck.

n. a device used to reduce the noise emitted by the internal combustion engine of a vehicle. In a secondary, more literary sense, refers to a heavy scarf or wrap used for warmth.

Examples

“The car needs a new muffler because the engine is too loud.”

“After the mechanic inspected the undercarriage, he confirmed that a hole in the muffler was causing the excessive exhaust noise.”

“The engineer explained that the muffler utilizes a series of chambers and perforated tubes to create destructive interference, effectively cancelling out the high-pressure sound waves produced by the engine.”

Examples

simple

“The car needs a new muffler because the engine is too loud.”

contextual

“After the mechanic inspected the undercarriage, he confirmed that a hole in the muffler was causing the excessive exhaust noise.”

complex

“The engineer explained that the muffler utilizes a series of chambers and perforated tubes to create destructive interference, effectively cancelling out the high-pressure sound waves produced by the engine.”

Collocations

Common phrases and expressions where native English speakers use the word “muffler” in context.

Verb

01. inspect muffler

“The mechanic inspected the muffler for cracks and corrosion.”

verb + noun

02. install muffler

“They installed a new muffler to reduce engine noise.”

verb + noun

03. muffler drones

“A loose baffle makes the muffler drone at highway speed.”

noun + verb

04. muffler leaks

“If the muffler leaks, carbon monoxide can enter the cabin.”

noun + verb

05. muffler rattles

“The muffler rattles loudly whenever the car idles.”

noun + verb

06. muffler rumbles

“The sports car's muffler rumbles on acceleration.”

noun + verb

Adjective

07. aftermarket muffler

“He fitted an aftermarket muffler to deepen the exhaust note.”

adj + noun

08. faulty muffler

“The inspection flagged a faulty muffler leaking exhaust fumes.”

adj + noun

Noun

09. hole in muffler

“A hole in the muffler explains that deafening roar.”

noun + prep + noun

10. muffler clamp

“Corrosion had seized the muffler clamp to the tailpipe.”

noun + noun

11. hole in the muffler

“The mechanic found a hole in the muffler during inspection.”

12. install a performance muffler

“He paid extra to install a performance muffler for a throatier sound.”

Usage

Commonly used in American English; the British equivalent is 'silencer'.

Etymology

Attested from the mid-16th century, the term is a routine agent noun formed from the verb muffle and the suffix -er. Originally denoting a garment used to wrap the neck or face for warmth, the word was later adapted for various mechanical devices designed to deaden sound.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C2 ProficiencyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.8.5–9.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 6.0114–120
Frequency
Occasional
Level
C2 · Proficiency
Updated

QR code

englishreference.com/q/muffler

English Reference