Answer: subzero

AnswerCrossword Clue
SUBZERO

Frigid

SUBZERO

Negative, temperaturewise

SUBZERO

Really cold, temperaturewise

SUBZERO
Arctic
SUBZERO
Freezing
SUBZEROFr-r-rigid
SUBZEROFrosty and more
SUBZERONegative
SUBZEROLike frigid climates
SUBZEROC-c-c-cold