[har.dy] adj har.di.er ; -est [ME hardi, fr. OF, fr. (assumed) OF hardir to make hard, of Gmc origin; akin to OE heard hard] (13c) 1: bold, brave
2: audacious, brazen 3 a: inured to fatigue or hardships: robust b: capable of withstanding adverse conditions "~ outdoor furniture" "~ plants" "~ cattle" -- har.di.ly adv -- har.di.ness n