[1] : The Collaborative International Dictionary of English v.0.48

hardiness \har"diness\ -di^ne^s, n.
   1. capability of endurance.
      1913 webster

   2. hardihood; boldness; firmness; assurance. --spenser.
      1913 webster

            plenty and peace breeds cowards; hardness ever
            of hardiness is mother.               --shak.
      1913 webster

            they who were not yet grown to the hardiness of
            avowing the contempt of the king.     --clarendon.
      1913 webster

   3. hardship; fatigue. obs. --spenser.
      1913 webster

[2] : WordNet (r) 2.0

hardiness
     n : the property of strong in constitution syn: robustness, lustiness
see also:
robustness lustiness 

[3] : Moby Thesaurus II by Grady Ward, 1.0

66 moby thesaurus words for "hardiness":
   assurance, audacity, brashness, bulldog courage, cohesiveness,
   decisiveness, durability, endurance, energy, force, fortitude,
   gameness, gaminess, grittiness, guts, gutsiness, haleness,
   hardihood, hardness, heartiness, infrangibility,
   intestinal fortitude, lastingness, leatherlikeness, longevity,
   lustihood, lustiness, mettlesomeness, might, mightiness, nerve,
   nerviness, obstinacy, pertinaciousness, pertinacity, pluckiness,
   potency, power, powerfulness, resistance, resoluteness, resolution,
   robustness, ropiness, ruggedness, spunkiness, stalwartness,
   stamina, staying power, sticking power, stiffness, stoutness,
   strength, strength of will, stringiness, stubbornness, sturdiness,
   tenaciousness, tenacity, toughness, unbreakability,
   unbreakableness, vigor, vigorousness, viscidity, vitality

Hardiness >> H Words
Hardiness, definition of term: Hardiness
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