Answer: subzero

AnswerCrossword Clue
SUBZEROFrigid
SUBZERONegative, temperaturewise
SUBZEROReally cold, temperaturewise
SUBZEROArctic
SUBZEROFreezing
SUBZEROFr-r-rigid
SUBZEROFrosty and more
SUBZERONegative
SUBZEROLike frigid climates
SUBZEROC-c-c-cold
subzeroregistering less than zero
subzeroindicating lower than zero on some scale