What does the word invulnerable mean?

Usage examples for invulnerable

  1. Brimfield secured the ball by inches on a fourth down near the middle of the field and her first desperate attack, a skin- tackle play with St. Clair carrying the pigskin, piled through for nearly ten yards, proving that Chambers was no longer invulnerable. – Left Tackle Thayer by Ralph Henry Barbour
  2. If we are to keep the peace, we need an invulnerable missile force powerful enough to deter any aggressor from even threatening an attack that he would know could not destroy enough of our force to prevent his own destruction. – Complete State of the Union Addresses from 1790 to the Present by Various
  3. We look calmly on the external objects of the system without solving its internal grievances,- we build a right upon the ruins of ancient wrongs, and we swathe our thoughts with inconsistency that we may make the curse of a system invulnerable. – Our World, or, The Slaveholders Daughter by F. Colburn Adams
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