(of plants) able to live out of doors throughout the winter
Word origin
C13: from Old French hardi bold, past participle of hardir to become bold, of Germanic origin; compare Old English hierdan to harden1, Old Norse hertha, Old High German herten
Examples of 'hardiest' in a sentence
hardiest
It takes the hardiest of perennial to withstand such endurance networking.
Times, Sunday Times (2013)
This is the hardiest tree fern and has large fronds and a hairy trunk.
Times, Sunday Times (2009)
Scottish partygoers are the hardiest, with eight per cent still awake past 5am.
The Sun (2011)
It has a beautiful scent, flowers reliably and is one of the hardiest forms.
Times, Sunday Times (2009)
They were one of the hardiest and most self-reliant communities the world has known.
Times, Sunday Times (2010)
It is also one of the hardiest of the echeverias.
Times, Sunday Times (2018)
Bird's-eye photography and the hardiest of creatures are guaranteed.
Times, Sunday Times (2018)
They will convert even the hardiest cynic.
The Sun (2015)
It was a journey too hazardous for even the hardiest sewage worker to follow.