chilliest
Least warm temperature
Chilliest is the superlative of chilly—the coldest among things being compared: January was the chilliest month on record.
Beyond temperature, chilliest describes the most unfriendly reception or atmosphere: She gave him the chilliest look I've ever seen.
Of extreme northern cold
- glacialOf frozen rivers
- frigidExtremely and intensely cold
- subzeroBelow the freezing point
- polarOf extreme latitudes
icy · gelid · biting · freezing · numbing · bone-chilling · bitter · raw
Hostile to guests
- hostileAggressively unfriendly
- unfriendlyNot welcoming or warm
- frostyCold or unwelcoming
- distantFar away or aloof
aloof · standoffish · cold-shoulder · dismissive · uninviting · forbidding · impersonal · detached
Lacking grace or ease
- tenseStrained or nervous
- uneasyTroubled, not calm
- strainedUnder uncomfortable tension
- stiltedUnnaturally formal in expression
inhospitable · off-putting · unwarm · distant · stiff
Violent prolonged snowstorm
- snowboundConfined by winter weather
- tundraFrigid treeless biome
- deep-freezeUltra-cold storage unit
- midwinterSeason's coldest period
hibernation · solstice · snowdrift · subarctic · windswept
arctic
Of extreme northern cold
polar · icy · gelid · biting · freezing · numbing · bone-chilling · bitter · raw · nippy
unwelcoming
Hostile to guests
- hostileAggressively unfriendly
- unfriendlyNot welcoming or warm
- frostyCold or unwelcoming
distant · aloof · standoffish · cold-shoulder · dismissive · uninviting · forbidding · impersonal · detached · reserved
awkward
Lacking grace or ease
stilted · inhospitable · off-putting · unwarm · distant · stiff
blizzard
Violent prolonged snowstorm
- snowboundConfined by winter weather
- tundraFrigid treeless biome
- deep-freezeUltra-cold storage unit
midwinter · hibernation · solstice · snowdrift · subarctic · windswept
hoarfrost
Frozen fog deposit
frostwork · crystalline · glaze · sleet · snowflake · frozen · glaciated