sound·​proof | \ ˈsau̇n(d)-ˌprüf How to pronounce soundproof (audio) \

Definition of soundproof

 (Entry 1 of 2)

: impervious to sound


soundproofed; soundproofing; soundproofs

Definition of soundproof (Entry 2 of 2)

transitive verb

: to insulate so as to obstruct the passage of sound

Examples of soundproof in a Sentence

Recent Examples on the Web: Adjective So last year, over a period of five months and at a cost of $170,000, Bertram added a soundproof backyard studio that was designed and permitted as a recreation room. Jack Flemming, Los Angeles Times, 7 May 2022 After being abducted by a child killer and locked in a soundproof basement, a 13-year-old boy starts receiving calls on a disconnected phone from the killer’s previous victims. Ben Flanagan |, al, 6 May 2022 The adjoining warehouse, at 3553, is in the process of being transformed into a private, soundproof beer-tasting room where visitors may sample beer pairings with chocolate and light barroom bites. Phillip Valys, Sun Sentinel, 5 May 2022 The Black Phone portrays a kidnapped kid who finds himself in a soundproof basement surrounded by the remains of other victims and a phone ringing with calls from the dead. Etan Vlessing, The Hollywood Reporter, 26 Apr. 2022 Other features include a home theater, which is fully soundproof, as well as an indoor-outdoor gym, and billiards room. Emma Reynolds, Forbes, 25 Apr. 2022 In 2011, the Bakers installed a soundproof professional gym that cost about $315,000. Sarah Paynter, WSJ, 21 Jan. 2022 Other offices are rethinking their traditional designs, allowing for more than one person to use the same desk during a single week or for workers to have easy access to soundproof rooms for videoconferencing. New York Times, 29 June 2021 The café leads into an atrium with a fully retractable skylight that opens on nicer days, and a handful of soundproof phone booths, where members can conduct Zoom calls. Rachel King, Fortune, 6 Nov. 2021 Recent Examples on the Web: Verb An attempt to soundproof the day care ceiling made things worse. New York Times, 22 Jan. 2022 In recent months, Israel has suggested that his students soundproof themselves instead, by using rubber pads that go over drum heads and cymbals or electronic drum sets. New York Times, 12 Jan. 2021 Take on a new instrument without properly soundproofing your room first. New York Times, 11 Apr. 2020 The project was supposed to pay for soundproofing at 650 homes over 10 years and cost about $15 million, paid for mostly by the FAA. Michelle Theriault Boots, Anchorage Daily News, 10 July 2018 Simple design changes could include soundproofing rooms, installing heavier doors and quieter laundry machines and dishwashers. Kaya Laterman, New York Times, 13 Mar. 2020 Each cocoon offers a high degree of soundproofing to keep the noise out and employs luxe touches like solid oak, soft mood lighting, Egyptian cotton sheets, and a bathroom chock-full of Malin+Goetz toiletries nestled next to a rain shower. Jp Mangalindan, Fortune, 25 Feb. 2020 More than 500 homes near the field will likely be ineligible for soundproofing, according to an analysis by the City of Madison. Patrick Marley, Milwaukee Journal Sentinel, 8 Oct. 2019 The two dining rooms are softly lit and soundproofed, thanks to carpet on the floor, linens on the tables and tufted fabric on the walls. Tom Sietsema, Washington Post, 24 June 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'soundproof.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of soundproof


circa 1878, in the meaning defined above


1919, in the meaning defined above

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Time Traveler for soundproof

Time Traveler

The first known use of soundproof was circa 1878

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Dictionary Entries Near soundproof

sound projector



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Last Updated

21 May 2022

Cite this Entry

“Soundproof.” Dictionary, Merriam-Webster, Accessed 24 May. 2022.

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More Definitions for soundproof


sound·​proof | \ ˈsau̇nd-ˈprüf How to pronounce soundproof (audio) \

Kids Definition of soundproof

: capable of keeping sound from entering or escaping

More from Merriam-Webster on soundproof

Thesaurus: All synonyms and antonyms for soundproof

Nglish: Translation of soundproof for Spanish Speakers


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