Impregnable

"Impregnable" in German

sturmfrei

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

unangreifbar

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

unangreifbar

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

unbezwingbar

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

unbezwingbar

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

uneinnehmbar

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

uneinnehmbar

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

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