hardiness
Concise Oxford English Dictionary © 2008 Oxford University Press:
hardy/ˈhɑːdi/
▶adjective (hardier, hardiest) capable of enduring difficult conditions; robust.
■ (of a plant) able to survive outside during winter.
– derivatives
hardily adverb,
hardiness noun.
hardily adverb,
hardiness noun.
'hardiness' also found in these Oxford entries:

