- Definitions|0
- Thesaurus|47
- Abbreviations|0
2 entries under expression topic. ×
| three-dog night(adjective, frosty, chill, chilly) | |
| extremely cold(adjective, frosty, chilly, frigid) |
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| APA | Smart Define. (2015). hyperboreal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/hyperboreal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hyperboreal thesaurus" https://smartdefine.org/hyperboreal/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, hyperboreal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/hyperboreal/thesaurus/synonyms>. |
| MLA | Smart Define. "hyperboreal thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/hyperboreal/thesaurus/synonyms> |