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10 Cards in this Set

  • Front
  • Back
formidable
hard to overcome
bulwark
strong defense
redoubtable
arousing fear
robust
full of vigor/energy
impervious
incapable of being penetrated or affected
efficacious
capable of producing a desired effect
stalwart
physically or morally strong person; strong supporter
impregnable
unable to be entered by force
brawn
muscular strength
bastion
stronghold, fortress