Impregnable – ih m p r eh g n ax b ax l
unable to be broken into
The castle was impregnable.
Definition adjective
strong enough to resist or withstand attack; not to be taken by force, unconquerable
not to be overcome or overthrown:
How to Pronounce
Synonyms for impregnable
Dictionary Entries near impregnable
impractical, imprecate, imprecation, imprecise, impredicative, impregnable, impregnate, impresa, impresario, imprescriptible, impress
First known usage
1400–50; late Middle English impregnable, imprenable, from Middle French, equivalent to im- im-2 + prenable pregnable
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