Synonyms|167Antonyms|0|Broader|1Narrower|0Related|31
10
arctic(adjective, cool, severe, keen, sharp)
8
freezing(adjective, cool, intense, cold, raw)
8
glacial(adjective, cool, severe, keen, sharp)
8
icy(adjective, cool, severe, keen, sharp)
7
brumal(adjective, cool, severe, keen, sharp)
7
cold(adjective, adverb, cool, severe, keen)
7
frigid(adjective, cool, severe, keen, sharp)
7
polar(adjective, adverb, cool, severe, keen)
7
wintry(adjective, cool, severe, keen, sharp)
6
boreal(adjective, cool, severe, keen, sharp)
5
Siberian(adjective, cool, severe, keen, sharp)
5
bitter(adjective, cool, severe, keen, sharp)
5
frozen(adjective, adverb, cool, severe, keen)
5
hibernal(adjective, cold)
4
antipodean(adjective, distance)
4
chilly(adjective, cool, severe, keen, sharp)
4
frosty(adjective, cool, severe, keen, sharp)
4
gelid(adjective, cool, severe, keen, sharp)
4
hiemal(adjective, cool, severe, keen, sharp)
4
numbing(adjective, cool, severe, keen, sharp)
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APASmart Define. (2015). hyperborean thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/hyperborean/thesaurus/synonyms
ChicagoSmart Define. 2015. "hyperborean thesaurus" https://smartdefine.org/hyperborean/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, hyperborean thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/hyperborean/thesaurus/synonyms>.
MLASmart Define. "hyperborean thesaurus" 30 November 2015. Web. 20 September 2026. <https://smartdefine.org/hyperborean/thesaurus/synonyms>