Synonyms for impregnable
- adjective
Synonyms by meaning
Adjective
1. Unassailable — of a fortress or other fortified place, able to withstand all attacks; impenetrable, inconquerable…
unassailable, invulnerable, secure, inviolable, strong, safe, inexpugnable, incontestable, breachless, unattackable
2. Unconquerable — too strong to be defeated or overcome; invincible
unconquerable, impenetrable, invincible, undefeatable, indomitable, unbeatable, inconquerable
Other
Definitions
- adj. 1
Of a fortress or other fortified place: able to withstand all attacks; impenetrable, inconquerable, unvanquishable.
- adj. 2
Too strong to be defeated or overcome; invincible.
Related words
- Word family
- impregnability
Example sentences
- secure The fortress was secure from every kind of attack.
- invulnerable Apart from his heel, Achilles was invulnerable.
- unassailable It seemed remote and unassailable.
- inviolable The national sovereignty is sacred and inviolable.
- impenetrable The wall appeared to be smooth and impenetrable.
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| impregnable | steady | |
| secure | steady | |
| invulnerable | steady | |
| unassailable | steady | |
| inviolable | steady | |
| impenetrable | rising |
Use in printed books, per decade from 1850 to 2019.
By length
- 4 letters
- safe1
- 6 letters
- strong1, secure2
- 7 letters
- tenable3
- 10 letters
- invincible4, unbeatable4, inviolable5, unhackable, breachless, conceptive
- 11 letters
- indomitable5
- 12 letters
- impenetrable5, invulnerable5, unassailable5, undefeatable, inexpugnable, unattackable
- 13 letters
- incontestable, unconquerable, inconquerable, impregnatable
The small number after each word is its number of syllables (secure2 = 2 syllables).
In other languages
- Français
- imprenable
- Italiano
- inespugnabile
- Español
- inexpugnable