soundproof 1 of 2

adjective

Definition of soundproofnext
as in waterproof

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soundproof

2 of 2

verb

as in to insulate

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Example Sentences

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.
Recent Examples of soundproof
Adjective
Inside of the massive buildings, hundreds of servers hum within gigantic soundproof and waterproof chambers. — Jessica Hill, Fortune, 9 Apr. 2026 The interior common door [had been] flimsy and not very soundproof. — Kelly McGreal, FOXNews.com, 30 Mar. 2026
Verb
The brand previously told PEOPLE that the space comes insulated and the walls are also soundproof for additional privacy. — Rylee Johnston, PEOPLE, 9 Nov. 2025 Plus, with anti-theft fences on the windows and flame-retardant foam panels, your tiny home is thoroughly protected, insulated, and soundproofed for day-to-day living. — Camryn Dilger, Better Homes & Gardens, 8 Oct. 2025 See All Example Sentences for soundproof
Recent Examples of Synonyms for soundproof
  1. waterproof
  2. insulate
  3. watertight
  4. airtight
  5. hermetic
Adjective
  • Each waterproof, latex-free patch creates a protective barrier over the bite and is infused with centella asiatica to help calm sensitive and eczema-prone skin.
    — Ryma Chikhoune, Footwear News, 21 July 2026
  • Moisture from rain, snow or humidity can damage your laptop, but a waterproof exterior also protects it from accidental spills.
    — BestReviews, Mercury News, 21 July 2026
Definition of waterproof
Verb
  • This consists of a thin insulating barrier sandwiched between two layers of superconducting aluminum — which can be tricky to manufacture.
    — Paul Smith-Goodson, Forbes.com, 21 July 2026
  • Analysts from Goldman Sachs estimated in a note last week that enough Mideast pipeline capacity will likely be added to insulate over 45% of pre-war Gulf exports by the end of next year.
    — Jason Ma, Fortune, 19 July 2026
Definition of insulate
Adjective
  • For now, access appears limited to the steadily expanding group of organizations granted access to Claude Mythos Preview through Anthropic’s — not entirely watertight — private Project Glasswing initiative.
    — Robert Hart, The Verge, 9 June 2026
  • Tunnels are also not truly watertight, requiring drainage measures like sump pumps and creating maintenance and reliability issues, the group advised.
    — Skyler Swisher, The Orlando Sentinel, 15 Feb. 2026
Definition of watertight
Adjective
  • Raye and the platoon of ace musicians joining her are as vocally and musically airtight as possible.
    — Melissa Ruggieri, USA Today, 27 Apr. 2026
  • The 1984 Olympics had a relatively airtight contract that protected taxpayers, but that’s not the case this time.
    — Susan Shelley, Daily News, 18 Feb. 2026
Definition of airtight
Adjective
  • The opening moments of this penultimate episode evoke enough genuine idealism and hope to feel like a rare breath of fresh air, holding the hermetic nastiness of the series in sharp relief.
    — Scott Tobias, Vulture, 17 May 2026
  • The idea was first proposed by Cicero and lived on through the hermetic tradition.
    — Literary Hub, Literary Hub, 13 May 2026
Definition of hermetic

Browse Nearby Words

sound (out)
soundproof
soundproofed
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Cite this Entry

“Soundproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/soundproof. Accessed 31 Jul. 2026.

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More from Merriam-Webster on soundproof

Nglish: Translation of soundproof for Spanish Speakers

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