Iron backbone Synonyms

Definitions for Iron


  • (adjective) not showing weakness or uncertainty
  • (noun) a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
  • (adjective) extremely robust

Definitions for Backbone


  • (noun) a column of bones supporting the trunk of a vertebrate animal
  • (noun) the strength of mind that enables a person to endure pain or hardship
  • (noun) the series of vertebrae forming the axis of the skeleton and protecting the spinal cord