unimpregnable (English, adj)
expansion: unimpregnable (comparative more unimpregnable, superlative most unimpregnable)
Senses:
glosses: Not impregnable; capable of being pierced or assailed.
glosses: Incapable of being impregnated; impermeable or infertile.
Forms:
form: more unimpregnable
tags: comparative
form: most unimpregnable
tags: superlative