Answer: iciest

AnswerCrossword Clue
ICIESTMost frozen
ICIESTMost wintry
ICIESTMost gelid
ICIESTMost chilling
ICIESTLeast amiable
ICIESTLeast emotional
ICIESTMost reserved
ICIESTLeast welcoming
ICIESTMost dangerous, as winter roads
ICIESTSuperlatively slippery
ICIESTMost treacherous for driving, maybe
ICIESTMost polar
ICIESTMost chilling?
ICIESTWorst for driving
ICIESTColdest
ICIESTMost biting
ICIESTMost dispassionate
ICIESTMost cold, as a gaze
ICIESTMost unfeeling, as a stare
ICIESTRequiring the most scraping, perhaps
ICIESTMost bone-chilling
ICIESTLeast warm
iciestmade of, full of, or covered with ice
iciestICY, covered with ice
iciestresembling ice
iciestcold
iciestwithout warmth of feeling; coldly unfriendly; frigid
ICIESTHardest to get close to
ICIESTMost treacherous for driving
ICIESTLeast friendly
ICIESTLeast affable
ICIESTLeast cordial
ICIESTFurthest from tropical
ICIESTSuperlatively frosted
ICIESTMost slippery, on the road
ICIESTMost unfriendly
ICIESTMost distant
ICIESTLeast hospitable
ICIESTMost aloof
ICIESTMost frigid