noun.
The state of being hardy, especially (of a plant) of being resistant to cold or other environmental conditions.
noun.hardihood; boldness; firmness; assurance
noun.hardship; fatigue
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the property of being strong and healthy in constitution
noun.
the trait of being willing to undertake things that involve risk or danger
Word Usage
"N.E. HANSE., HORTICULTURIST, BROOKINGS, S.D. By the term hardiness is understood the capacity to resist against any special condition of environment."