cooldown

/ˈkuːldaʊn/

//ˈkuːldaʊn// noun

By · According to Wiktionary data (CC BY-SA) ·

"cooldown" is a 8-letter English headword indexed on PlainSpell.

The verdict

“cooldown” is uncommon English (frequency #61,388 among 43,570 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#61,388
frequency rank, English
43,570
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The rest period between sets or workout sessions, when cooling of body temperature may occur.

Key facts for cooldown
PropertyValue
Headwordcooldown
LanguageEnglish
Part of speechNoun
IPA/ˈkuːldaʊn/
Letters8
Frequency rank#61,388
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cooldown” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). cooldown lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cooldown is uncommon English at frequency #61,388 among 43,570 “C” headwords, classed as anoun, transcribed /ˈkuːldaʊn/. Rarity is why readers land here mid-draft. 4 senses are on record.

No misspelling variants are generated for cooldown in our index, a sign its spelling follows regular English conventions. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: Deverbal from cool down. The correct English form is cooldown, spelled C-O-O-L-D-O-W-N.

Definition

  1. 1
    The rest period between sets or workout sessions, when cooling of body temperature may occur.
  2. 2
    Any rest period between sessions of an activity or event.
  3. 3
    Any rest period between sessions of an activity or event.
  4. 4
    Any rest period between sessions of an activity or event.

Etymology

Deverbal from cool down.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "cooldown"?
"cooldown" is spelled C-O-O-L-D-O-W-N. The IPA pronunciation is /ˈkuːldaʊn/.
What does "cooldown" mean?
As a noun, "cooldown" means: The rest period between sets or workout sessions, when cooling of body temperature may occur.
How do you pronounce "cooldown"?
The IPA (International Phonetic Alphabet) transcription for "cooldown" is /ˈkuːldaʊn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "cooldown"?
Deverbal from cool down. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “cooldown”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is C-O-O-L-D-O-W-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkuːldaʊn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list