soundproof

verb

soundproofed; soundproofing; soundproofs
Synonyms of soundproofnext

transitive verb

: to insulate so as to obstruct the passage of sound

Examples of soundproof in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Sweeping views over Hyde Park and expert soundproofing that hushes those busy London street horns. Lewis Nunn, Forbes.com, 19 May 2026 Investigators later said the nightclub blaze may have been ignited by sparklers attached to champagne bottles that set fire to soundproofing materials on the ceiling, rapidly spreading flames through the crowded venue. Claire Carter, The Washington Examiner, 11 Mar. 2026 O’Sullivan has a small recording studio in his with a thick gray rug as soundproofing. Daniel Yadin, Curbed, 11 Feb. 2026 This is great for soundproofing or simply adding warmth and softness to a room without using paint or wallpaper. Melissa Locker, Southern Living, 4 Feb. 2026 See All Example Sentences for soundproof

Word History

First Known Use

1919, in the meaning defined above

Time Traveler
The first known use of soundproof was in 1919

Browse Nearby Words

Cite this Entry

“Soundproof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/soundproof. Accessed 10 Jun. 2026.

Kids Definition

soundproof

adjective
sound·​proof
ˈsau̇n(d)-ˈprüf
: designed to prevent sound from entering or leaving
soundproof verb

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