hardened

/ˈhɑrdnd/

/ˈhɑdɪnd/

Definitions of hardened

1. adjective

   converted to solid form (as concrete)
   synonyms: set

   hard

   resisting weight or pressure
2. adjective

   made hard or flexible or resilient especially by heat treatment
   synonyms: tempered, toughened, treated

   curable

   capable of being hardened by some additive or other agent

   sunbaked

   baked or hardened by exposure to sunlight; not burned
3. adjective

   used of persons; emotionally hardened
   synonyms: case-hardened, hard-boiled

   hard

   dispassionate
4. adjective

   made tough by habitual exposure
   “hardened fishermen”

   synonyms: enured, inured

   tough, toughened

   physically toughened
5. adjective

   protected against attack (especially by nuclear weapons)
   “hardened missile silos”

   antonyms:

   soft

   not protected against attack (especially by nuclear weapons)