i Register
In some senses, hardiness is marked as obsolete. Watch for register when choosing this word.
noun
The quality of being hardy.
Kale is known for its winter-hardiness.
[…] with usefull and generous labours preserving the bodies health, and hardinesse; to render lightsome, cleare, and not lumpish obedience to the minde,
The quality of being hardy.
Plentie, and Peace breeds Cowards: Hardneſſe euer / Of Hardineſſe is Mother.
[…] they who were not yet grown to the hardineſs of Avowing the contempt of the King […] would ſooner have been checked, and recovered their Loyalty and Obedience.
Hardship; fatigue.
Yet ſure they are very valiant, and hardy, for the moſt part great Indurers of Cold, Labour, Hunger, and all Hardineſs […]