impregnable
Speech parts
1. impregnable - Adjective
2. impregnable - Adjective Satellite
Meaning
Not to be stormed, or taken by assault; incapable of being subdued; able to resist attack; unconquerable; as, an impregnable fortress; impregnable virtue.
Capable of being impregnated, as the egg of an animal, or the ovule of a plant.
Source: Webster's dictionarySynonyms
Antonyms
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The first task of the Magician in every ceremony is therefore to render his Circle absolutely impregnable.
The First Amendment has erected a wall between church and state. That wall must be kept high and impregnable. We could not approve the slightest breach.
Fortify thyself with contentment: that is an impregnable stronghold.
True courage is the result of reasoning. A brave mind is always impregnable.
And now Marat now I see where this revolution is heading To the withering of the individual man and a slow merging into uniformity to the death of choice to self denial to deadly weakness in a state which has no contract with individuals but which is impregnable.
You think, eventually, that nothing can disturb you and that your nerves are impregnable. Yet, looking down at that familiar face, I realized that death is something to which we never become calloused.