SOUNDPROOF Synonyms: 45 Similar and Opposite Words

soundproof 1 of 2

adjective

Definition of soundproof

as in waterproof

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Dissimilar Words

soundproof

2 of 2

verb

as in to insulate

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Dissimilar Words

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

Zac Taylor decides to dip into a quiet, soundproof room to talk. — Paul Dehner Jr, New York Times, 8 Sep. 2026 Cars are becoming more soundproof Today’s drivers aren’t hearing sirens, law enforcement agencies contend, because modern vehicles are adept at noise-blocking. — Andrew J. Campa, Los Angeles Times, 10 Aug. 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

Adjective

Each detail turns elegance into performance, making for garments that can be waterproof, weatherproof and windproof, yet refined enough for the table and formal setting.

— Robb Report Studio, Robb Report, 26 Oct. 2026
Despite their differing colorways, each shoe in the set is equipped with the same waterproof Gore-Tex build which sees the Abzorb 2010’s typical open mesh paneling get swapped with a closed material to keep moisture at bay.

— Riley Jones, Footwear News, 25 Oct. 2026

Definition of waterproof

Verb

Yet Dunlap is also somewhat insulated from that critique due to his years spent as the executive director of the Sportsman’s Alliance of Maine, a pro-2nd Amendment group that supports hunters and fishermen.

— David Sivak, The Washington Examiner, 27 Oct. 2026
Prosecutors later told the judge that the FBI was limited in its interactions with the committee because of the Constitution's Speech and Debate clause, which insulates the legislative branch's deliberative process from the executive branch.

— Sophia Vlahakis, CBS News, 27 Oct. 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

Impossible than to the hermetic paranoia of Gary Oldman in Tinker Tailor Soldier Spy.

— Scott Tobias, Vulture, 21 Oct. 2026
O’Neill, a physics professor at Princeton, argued for the practical possibility of building human habitats that would float between Earth and the moon, housing tens of thousands of people in hermetic environments with earthlike gravity and climate.

— Jacob Weisberg, Vanity Fair, 10 Sep. 2026

Definition of hermetic

Browse Nearby Words

sound (out)

soundproof

soundproofed

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Style

“Soundproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/soundproof. Accessed 30 Oct. 2026.

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Synonyms of soundproof

adjective

verb

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