Thesaurus
impregnable
Synonyms and Antonyms of impregnable
- an impregnable fortress that had foiled one invader after another over the centuries
exposed, imperiled (or imperilled), insecure, liable, open, susceptible, unguarded, unprotected, unsafe
- the castle's supposedly impregnable walls
impassable (also impassible), impenetrable, impermeable, impervious
Learn More about impregnable
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Dictionary: Definition of impregnable Spanish Central: Translation of impregnable Nglish: Translation of impregnable for Spanish speakers Britannica English: Translation of impregnable for Arabic speakers
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