From English-Czech dicts.info/FreeDict Dictionary ver. 0.1.3: hardy <adj> vytrvalý
hardy <adj> vytrvalý
From English-Czech dicts.info/FreeDict Dictionary ver. 0.1.3: hardy <adj> otužilý
hardy <adj> otužilý
From English-Czech dicts.info/FreeDict Dictionary ver. 0.1.3: hardy <adj> odolný
hardy <adj> odolný