cool down

verb

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

The verdict

“cool down” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To become cooler; to be reduced in temperature.

Corpus desk

Index EN-cool-down · cool down · English

cool down · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "C" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for cool down
PropertyValue
Headwordcool down
LanguageEnglish
Part of speechVerb
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cool down” sits in English frequency

cool downsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cool down is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 5 senses are on record.

cool down has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No documented word history exists for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is cool down, spelled C-O-O-L- -D-O-W-N.

Definition

  1. 1
    To become cooler; to be reduced in temperature.
  2. 2
    To become less agitated or excited.
  3. 3
    To decrease in degree or intensity.
  4. 4
    To cause (something) to become cooler; to reduce the temperature of.
  5. 5
    To cause (someone) to become less agitated or excited.

Recorded use

Wiktionary examples

These source excerpts show how cool down appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. You can drink the coffee when it's cooled down.
  2. I'd love to go to Israel, but I'll have to wait until the violence cools down.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "cool down"?
"cool down" is spelled C-O-O-L- -D-O-W-N.
What does "cool down" mean?
As a verb, "cool down" means: To become cooler; to be reduced in temperature.
What language does "cool down" come from?
"cool down" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

What to do next

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PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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