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invulnerable (part of speech: adjective)
- That which rendered the rebellion more invincible and more fierce in Maud, was the suddenness of the mortal blow. - "Cosmopolis, Complete", Paul Bourget Last Updated: March 3, 2009.
- So invincible was his gravity that he was never known to laugh, or even to smile, through the whole course of a long and prosperous life. - "Knickerbocker's History of New York, Complete", Washington Irving.
- A minority may be invincible on the ground of dogma, but not of expediency. - "Letters From Rome on the Council", Johann Joseph Ignaz von DÃ¶llinger.