Impregnable - definition, pronunciation, transcription
- incapable of being overcome, challenged or refuted (syn: inexpugnable)
...an impregnable fortress that had foiled one invader after another over the centuries...
...the castle's supposedly impregnable walls...
The old Dutch fortress looks virtually impregnable.
Your home will never be impregnable against determined thieves.
Three championship titles has put him in an impregnable position.
...an impregnable fortress that not even the mightiest army on earth would venture to leaguer...
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