supercool

su·per·cool
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UK/ˈsuː.pəˌkuːl/Canada, US/ˈsu.pəɹˌkul/Australia/ˈsʉː.pəˌkʉːl/New Zealand/ˈsʉː.pɐˌkʉːl/

verb

To cool a material below its transition temperature without that transition occurring.

Less commonScrabble 13

Meanings

verbsupercool (third-person singular simple present supercools, present participle supercooling, simple past and past participle supercooled)

present singular third person supercools · participle present supercooling · participle past supercooled · past supercooled

  1. natural sciencesTo cool a material below its transition temperature without that transition occurring.

    Synonyms: undercool

adjectivesupercool (comparative more supercool, superlative most supercool)

comparative more supercool · superlative most supercool

  1. informalVery cool; thoroughly excellent, relaxed, or fashionable.

    On to how to access your Home folder from a remote Mac — a supercool feature that's only bound to get more popular as the Internet continues to mature.

    2009, Bob LeVitus, Mac OS X Snow Leopard For Dummies, page 323
  2. natural sciencesSynonym of supercooled

    Synonyms: supercooled

Synonyms & antonyms

verbTo cool a material below its transition temperature without that transition occurring.

Similar

adjectiveSynonym of supercooled

Origin

  1. Proto-Indo-European*úp
  2. Proto-Indo-European*upér
  3. Proto-Italic*super
  4. Latinsuper
  5. Latinsuper-
  6. Englishsuper-
  7. Englishcool
  8. Englishsupercool

From super- + cool.

Full word history & related roots →

Translations

Dutch onderkoelen, supercool
  • onderkoelento cool a material below its transition temperature without that transition occurring
  • supercoolvery cool
Esperanto mojosega, fekmojosa
  • mojosegavery cool
  • fekmojosavery cool
French super cool
  • super coolvery cool
Japanese 超格好いい
  • 超格好いいvery cool
Welsh goroeri
  • goroerito cool a material below its transition temperature without that transition occurring

Rhymes & wordplay

Anagrams

Cite this entry
APA

supercool. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/supercool

MLA

“supercool.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/supercool. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “supercool,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/supercool.

Source: supercool on Wiktionary, CC BY-SA 4.0.