2
acerbic(adjective, severe)
2
acrimonious(adjective, severe)
2
anesthetized(adjective, hard, tough, severe, cold)
2
antarctic(adjective, cold, shaky, frosty, chill)
2
austere(adjective, cool, severe, cold, detached)
2
bashful(quiet, gentle, aloof, reserved, reticent)
2
below zero(expression, cool, severe, keen, sharp)
2
benumbed(adjective, hard, cool, tough, severe)
2
blank(adjective, cool, detached, sober, unfeeling)
2
brusque(adjective, severe)
2
caustic(adjective, severe)
2
churlish(adjective, hard, tough, severe, cold)
2
close-mouthed(adjective, quiet, gentle, aloof, reserved)
2
critical(adjective, severe)
2
curt(adjective, severe)
2
dry(adjective, severe)
2
exacting(adjective, hard, tough, severe, cold)
2
extinguished
2
frigorific(adjective, shaky, frosty, chill, freezing)
2
hard-boiled
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APASmart Define. (2016). icy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/icy/thesaurus/synonyms
ChicagoSmart Define. 2016. "icy thesaurus" https://smartdefine.org/icy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, icy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/icy/thesaurus/synonyms>.
MLASmart Define. "icy thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/icy/thesaurus/synonyms>