Impregnable

"Impregnable" in Russian

недосту́пный

nedostúpnyj

(too strong to be defeated or overcome — see also invincible)

непристу́пный

nepristúpnyj

(of a fortress or other fortified place: able to withstand all attacks — see also impenetrable, inconquerable, unvanquishable)

непристу́пный

nepristúpnyj

(too strong to be defeated or overcome — see also invincible)

неуязви́мый

neujazvímyj

(too strong to be defeated or overcome — see also invincible)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.