adjective🔗ShareInexpugnable, impenetrable(of a fortress, wall, etc., also used figuratively) Too strong to be penetrated."The castle walls were impregnable, so the invaders gave up trying to enter. "Las murallas del castillo eran inexpugnables, por lo que los invasores renunciaron a intentar entrar.militaryarchitectureChat with AIVocabulary GamePractice Reading
adjective🔗ShareImpregnableCapable of being impregnated."The fortress walls were impregnable, making it impossible for the enemy to enter. "Las murallas de la fortaleza eran inexpugnables, lo que hacía imposible que el enemigo entrara.physiologysexbodyChat with AIVocabulary GamePractice Reading
