Word.ws English Dictionary

Synonyms of impregnable

6 similar words · 5 opposite words

Another word for impregnable is unassailable. Other synonyms of impregnable are inexpugnable. The opposite of impregnable is unimpregnable.

Synonyms and similar words for impregnable

adjectiveOf a fortress or other fortified place: able to withstand all attacks; impenetrable, inconquerable...

adjectiveToo strong to be defeated or overcome; invincible.

Opposite of impregnable

adjectiveOf a fortress or other fortified place: able to withstand all attacks; impenetrable, inconquerable...

adjectiveToo strong to be defeated or overcome; invincible.

  • conquerableCapable of being conquered or subdued.
  • defeatableCapable of being defeated.
  • vincibleCapable of being defeated or overcome; assailable or vulnerable.

Meaning of impregnable

  1. adjective Of a fortress or other fortified place: able to withstand all attacks; impenetrable, inconquerable, unvanquishable.
  2. adjective Too strong to be defeated or overcome; invincible.
  3. adjective Capable of being impregnated; impregnatable.

Full definition of impregnable

impregnable in other languages

Questions about synonyms of impregnable

What is another word for impregnable?
Impregnable has 6 synonyms on Word.ws, such as unassailable and inexpugnable.
What is the opposite of impregnable?
The opposite of impregnable is unimpregnable.
What does impregnable mean?
Impregnable means of a fortress or other fortified place: able to withstand all attacks; impenetrable, inconquerable, unvanquishable.

Source and license

Adapted from Wiktionary: impregnable (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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Cite this page: “Synonyms of impregnable.” Word.ws, https://word.ws/synonyms/impregnable. Based on Wiktionary, CC BY-SA 4.0.