adjective
hardy
HAR-dee/ˈhɑːrdi/
Able to withstand harsh conditions or hardship.
The hardy shrub stays green beneath snow and ice.

Etymology
Old French hardi meant “bold” or “brave.” With influence from English hard, this toughness of spirit extended to physical resilience: the ability to withstand difficult conditions.
In context
They are hardy down to -10° F.
More examples
- A few hardy hikers continued through the sleet.
- These goats are hardy enough for mountain weather.
- Choose a hardier variety for the exposed garden.
Forms
hardy · hardier · hardiest
hardiness noun — ability to withstand difficult conditions