10
cold-blooded(adjective, person, cool, feelings, detached)
10
ice-cold(adjective, cold, bitter, frosty, chill)
9
boreal(adjective, cool, severe, keen, sharp)
9
hyperborean(adjective, cool, severe, keen, sharp)
9
numbing(adjective, cool, severe, keen, sharp)
8
Siberian(adjective, cool, severe, keen, sharp)
8
biting(adjective, cool, severe, keen, sharp)
8
nippy(adjective, cool, severe, keen, sharp)
8
piercing(adjective, cool, severe, keen, sharp)
8
unsympathetic(adjective, person, cool, detached, aloof)
7
Arctic
7
brumal(adjective, cool, severe, keen, sharp)
7
hostile(adjective, person, feelings, negative, unfriendly)
7
reserved(adjective, person, cool, negative, detached)
7
snappy(adjective, person, cool, severe, keen)
7
uncordial(adjective, person, unwarmhearted)
7
unemotional(adjective, cool, detached, hostile, unfriendly)
6
callous(adjective, person, feelings, detached, behaviour)
6
chilling
6
crisp(adjective, cool, severe, keen, sharp)
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APASmart Define. (2016). glacial thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/glacial/thesaurus/synonyms
ChicagoSmart Define. 2016. "glacial thesaurus" https://smartdefine.org/glacial/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, glacial thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/glacial/thesaurus/synonyms>.
MLASmart Define. "glacial thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/glacial/thesaurus/synonyms>