Impenetrable
Impenetrable adjective - Impossible to get through or into.
Strong and impenetrable are semantically related in property topic. In some cases you can use "Strong" instead an adjective "Impenetrable".
Nearby Words: impenetrability, impenetrably
Strong
Strong adjective - Having muscles capable of exerting great physical force.
Impenetrable and strong are semantically related in secure topic. Sometimes you can use "Impenetrable" instead an adjective "Strong".
Nearby Word: strongly
Mutual synonyms
Both words in one sentence
- It received strong reviews, but critics complained that the dialogue was made even more impenetrable by the terrible sound quality in some scenes.
Source: No Budget -
In his "Momon" disguise, he's still a super strong lich clad in nigh impenetrable armor who can swing two huge swords hard enough to slice through an ogre with a single stroke.
Source: Light Novel / Overlord -
The series was broadcast nationally, despite the strong and sometimes impenetrable Glaswegian accents, which was parodied in one episode where Rab goes to London in search of his runaway son, and subtitles are used to translate the dialogue.Rab is a 40-something waster.
Source: Series / Rab C. Nesbitt
Cite this Source
Strong and Impenetrable. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/impenetrable/strong
Impenetrable & Strong. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/impenetrable/strong>.
Strong or Impenetrable. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/impenetrable/strong.
Google Ngram Viewer shows how "impenetrable" and "strong" have occurred on timeline