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impregnable

see definition of impregnable
  • adjunyielding
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Synonyms for impregnable

adj unyielding
  • fortified
  • impenetrable
  • indestructible
  • invincible
  • invulnerable
  • unassailable
  • firm
  • secure
  • solid
  • strong

Antonyms for impregnable

  • breakable
  • destructible
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

More words related to impregnable

dangerous

adjective. hazardous, troubling
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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