harshest
adj. B2 Upper Intermediate US //ˈhɑɹʃəst// UK //hˈɑːʃəst// harsh·est
adj. the most severe, difficult, or unpleasant. You use this to describe the most extreme version of something bad, like a punishment or a winter.
adj. the superlative form of 'harsh'; describes the most severe, extreme, or unrelenting quality of a condition or treatment.
The harshest winter in decades hit the northern cities.
The judge handed down the harshest sentence of the year for the most serious of the crimes.
Surviving the harshest conditions of the desert requires not only physical endurance but also a deep understanding of how to find water and shelter in a barren landscape.