Dictionary

unimpregnable en · ADJ

Etymology

From un- + impregnable.

Meanings

1. Not impregnable; capable of being pierced or assailed.
   • Without being a coward, Jean's courage is not unimpregnable, and therefore plays he not the swaggerer amongst the patients. 1840, Pictures of the French, by J. Janin, Balzac, and other authors, page 180:
2. Incapable of being impregnated; impermeable or infertile.
   • Despite fertility treatment, one out of three women in the study remained unimpregnable.
   • The compound rendered the surface of the vessel unimpregnable.

Forms