0
severer
more extreme
The end line
Severer and Severest.
Example:
Winters in Prudhoe Bay are usually severer than winters in Palm Beach.
In 2000, Zambia experienced its severest inflation of the past decade.
Sever - c.1300, from Anglo-Fr. severer, from O.Fr. sevrer "to separate," from V.L. *seperare, from L. separare "separate"