A simple forest was an unpregnable obstacle (Agincourt had been beaten to death).
Source: wiktionary
Unpregnable
Synonyms for "unpregnable"
Ranked by relevance and common usage.
Sample sentences
3 total sentences available.
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.
Source: wiktionary
What do you think of FRENCH "FICHET 787" locks, with a very special key, that are called "unpickable" and "unpregnable" by Fichet ?
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.