cool-headed
"cool-headed" is a 10-letter English headword indexed on PlainSpell.
The verdict
“cool-headed” is outside the top-ranked English vocabulary, used as an adjective - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Calm and imperturbable, especially under pressure.
| Property | Value |
|---|---|
| Headword | cool-headed |
| Language | English |
| Part of speech | Adjective |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “cool-headed” sits in English frequency
Spelling & Dictionary Insight
The English entry for cool-headed is 11 letters long, classified as an adjective. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Calm and imperturbable, especially under pressure.".
Zero misspellings are on record for cool-headed in our index, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.
Our source data has no etymology on file for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is cool-headed, spelled C-O-O-L---H-E-A-D-E-D.
Definition
- 1Calm and imperturbable, especially under pressure.
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
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Using “cool-headed”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-O-L---H-E-A-D-E-D - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
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.