unpregnable

comparative more unpregnable · superlative most unpregnable

1. non-native speakers' EnglishImpregnable.

   A simple forest was an unpregnable obstacle (Agincourt had been beaten to death).

   1998 July 15, Alex Milman, “Welsh archers”, in soc.history.medieval (Usenet), retrieved 07 Jun 2022

   2 more examples

   GOI has been able to withdraw military from Kashmir and put them on border (LOC) only (Fence). This has cut our costs and made our border more unpregnable.

   2000 August 18, PMohan, “How to cage the dogs from across the borders?”, in soc.culture.indian (Usenet), retrieved 07 Jun 2022

   What do you think of FRENCH "FICHET 787" locks, with a very special key, that are called "unpickable" and "unpregnable" by Fichet ?

   2002 June 21, Paul, “What to think of FICHET french locks”, in alt.locksmithing (Usenet), retrieved 07 Jun 2022