Safe
Safe noun - A specially reinforced container to keep valuables safe.
Usage example: the hotel recommended that we keep all our valuables in its safe during our stay
Vault is a synonym for safe in thing topic. In some cases you can use "Vault" instead a noun "Safe", when it comes to topics like strong-box, strongbox, strongroom.
Vault
Vault noun - An underground burial chamber.
Safe is a synonym for vault in thing topic. You can use "Safe" instead a noun "Vault", if it concerns topics such as strong-box, depository, strongroom.
Mutual synonyms
How words are described
Both words in one sentence
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In numerous episodes of Mission: Impossible, the team has to break into a safe or vault in order to steal or plant something, starting with the first episode.
Source: Safecracking -
With this all said, someone "found" notes in a safe/vault/deposit box supposedly with a lot of notes on how the series was supposed to end.
Source: Trilogy Creep -
Played with in Diabolik: Some houses may have or have not vents sufficiently large, resulting in Diabolik and Eva (extremely agile people) either climbing in themselves or using a remote-controlled robot to reach the safe or vault.
Source: Air-Vent Passageway
Cite this Source
Vault and Safe. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/safe/vault
Safe & Vault. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/safe/vault>.
Vault or Safe. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/safe/vault.
Google Ngram Viewer shows how "safe" and "vault" have occurred on timeline