Definitions: (1) capable of withstanding adverse conditions; strong (2) having attained courageous qualities; bold; brave; daring; resolute; intrepid; (3) full of assurance; confident; (4) rendered firm by exercise; vigorous
     See also: Stress Hardy
     See also: Hearty

Synonyms: enduring, indefatigable, inured, resistant, robust, stout-hearted

• There is a healthful hardiness about real dignity that never dreads contact and communion with others however humble. — Washington Irving (1783–1859) American essayist, historian, & diplomat
• Society asks of most men more than sheer intellect ability-it demands also moral hardiness, self-discipline, a competitive spirit, and other qualities that in more old-fashioned terms we might simply call character. — Julius Adams Stratton (1901–1994) American electrical engineer