What is the meaning of ironclad?

noun

  • A wooden warship of the 19th century that is plated with iron or steel armor.

adjective

  • Sheathed in iron plates for protection.
  • Inflexibly entrenched and unchangeable.
    • usage: "brassbound traditions"; "brassbound party loyalists"; "an ironclad rule"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). ironclad. Retrieved September 22, 2026, from http://smartdefine.org/ironclad/definitions/1176931
ChicagoWordNet. 2010. "ironclad" http://smartdefine.org/ironclad/definitions/1176931 (accessed September 22, 2026).
HarvardWordNet 2010, ironclad, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/ironclad/definitions/1176931>.
MLAWordNet. "ironclad" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/ironclad/definitions/1176931>