Proof
Proof adjective - (used in combination or as a suffix) able to withstand.
Soundproof and proof are semantically related. in waterproof topic. In some cases you can use "Soundproof" instead an adjective "Proof".
Soundproof
Soundproof adjective - Impervious to, or not penetrable by, sound.
Show all Definitions
Synonyms for Soundproof
Proof and soundproof are semantically related. You can use "Proof" instead an adjective "Soundproof".
Nearby Words: soundproofing, soundproofed
Mutual synonyms
Both words in one sentence
- She's then sealed inside her father's soundproof music room while he's away, and if she acts up she gets locked inside a sound-proof box similar to a coffin.
Source: Literature / Nightmare Hall -
Soundproof Booth: Used for a while in the very first round: The kids had to answer questions about their teammate, who was in a Sound Proof Booth, then they swapped places.
Source: Franchise / Tabaluga
Cite this Source
Soundproof and Proof. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/proof/soundproof
Proof & Soundproof. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/proof/soundproof>.
Soundproof or Proof. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/proof/soundproof.
Google Ngram Viewer shows how "proof" and "soundproof" have occurred on timeline