Penetrable
Penetrable adjective - Capable of being passed into or through.
Safe and penetrable are semantically related. In some cases you can use "Safe" instead an adjective "Penetrable".
Safe
Safe adjective - Not exposed to the threat of loss or injury.
Penetrable and safe are semantically related. Sometimes you can use "Penetrable" instead an adjective "Safe".
Mutual synonyms
Both words in one sentence
- But it's only now, with the latest incident, someone finally says, "I think this place isn't safe anymore." The other characters react to this fell declaration with shock and horror as if it surprised them to find their asylum to be penetrable.
Source: Camp Unsafe Isn't Safe Anymore -
Unfortunately, this "safe haven" was really an unsafe haven — a supposedly "safe place" that is either glaringly penetrable or too conspicuous to truly be called safe.
Source: Unsafe Haven
Cite this Source
Safe and Penetrable. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/penetrable/safe
Penetrable & Safe. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/penetrable/safe>.
Safe or Penetrable. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/penetrable/safe.
Google Ngram Viewer shows how "penetrable" and "safe" have occurred on timeline