impregnable
7 synonyms and 3 antonyms for impregnable, grouped by meaning and by how common each one is.
Adj — Too strong or well-defended to be captured, broken into, or defeated.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
How to use impregnable
The word patterns that sound natural to a native speaker.
impregnable fortress
impregnable defence
impregnable lead
Etymology
From Old French imprenable, "impossible to capture," from im- + prenable ("takable," from prendre, "to take"). The "g" was added later by analogy with words like reign and deign.
Full origin of impregnable →Frequently asked questions
What does “impregnable” mean?
The word “impregnable” means too strong or well-defended to be captured, broken into, or defeated. In plain terms, so strong, secure, or well-defended that it can't be broken or beaten.
How do you pronounce “impregnable”?
“Impregnable” is pronounced ihm-PREHG-nuh-bl (/ɪmˈpɹɛɡ.nəˌb(ə)l/ in IPA).
How do you use “impregnable” in a sentence?
Here is “impregnable” used in a sentence: “The castle's thick walls made it seem impregnable.”
What part of speech is “impregnable”?
“Impregnable” is an adjective.
Where does the word “impregnable” come from?
The word “impregnable” comes from Old French. From Old French imprenable, "impossible to capture," from im- + prenable ("takable," from prendre, "to take"). The "g" was added later by analogy with words like reign and deign.
