Find Antonyms

impregnable Antonyms

Opposite of impregnable

Because the opposite of impregnable shifts with each meaning, the 11 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

So strongly built, fortified, or positioned as to be unable to be captured, broken into, or breached by force.

Usage Example

"Perched high atop sheer granite cliffs, the medieval citadel remained vulnerable for centuries."

Strongest
vulnerable
defenseless
penetrable
Strong
assailable
breachable
exposed

• adjective (Context 2)

Unable to be defeated, overcome, or undermined by criticism, challenge, or competition.

Usage Example

"By the final quarter of the fiscal year, the tech company had established a seemingly vulnerable lead in the market."

Strongest
vulnerable
Strong
weak
tenuous
precarious
shaky
fragile

Similar words to impregnable

Words similar to impregnable shift depending on context. Common synonyms include:

unassailable
impenetrable
invulnerable
invincible
unbeatable
unshakeable
inviolable
indomitable
See all synonyms of impregnable

• Nearby Words

imprecisely
imprecision
impregnability
impregnable
impregnably
impregnatable
impregnate

Cite this Entry

Wordmom. (2026). Antonyms for Impregnable. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/impregnable
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