hardy UK /ˈhɑːdi/US /ˈhɑɹdi/adjective 4noun 3forms 3phrases 2 adjective4 •Having rugged physical strength; inured to fatigue or hardships.It is an useful sort of the smaller kind of hogs, that is hardy in its nature and of considerable weight in proportion to its size. — 1824 •Able to survive adverse growing conditions, especially frost.A hardy plant is one that can withstand the extremes of climate, such as frost. •Brave and resolute.But he was not so hardy to abide That bitter stownd, but turning quicke aside His light-foot beast, fled fast away for feare: — 1590 •Impudent. noun3 •[usually plural] Anything, especially a plant, that is hardy. •A blacksmith's fuller or chisel, having a square shank for insertion into a square hole in an anvil. •A hardy hole. formshardies · hardier · hardiest Phrases with hardy crack hardyTo keep a brave face, to suppress one's feelings, to grin and bear it. party-hardyEngaging; lively, enthusiastic; fun-loving.