Really, really cold, 4 letters
Mortal Kombat character whose fatality was the Spine Rip, 7 letters
Arctic, 7 letters
Fr-r-rigid, 7 letters
Freezing, 7 letters
Frigidaire competitor, 7 letters
Like frigid climates, 7 letters
Negative, 7 letters
Negative, temperaturewise, 7 letters
Really cold, temperaturewise, 7 letters
Very, very cold, 7 letters