lose one's cool
/ˈluːz wʌnz ˈkuːl/
"lose-one-s-cool" is a 12-letter English headword indexed on PlainSpell.
The verdict
“lose one's cool” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 15
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To become upset or disconcerted; to lose one's temper.
| Property | Value |
|---|---|
| Headword | lose one's cool |
| Language | English |
| Part of speech | Verb |
| IPA | /ˈluːz wʌnz ˈkuːl/ |
| Letters | 15 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “lose one's cool” sits in English frequency
Rare enough to double-check
lose one's cool is uncommon English outside the top frequency list, classed as averb, transcribed /ˈluːz wʌnz ˈkuːl/. Rarity is why readers land here mid-draft. Gloss: "To become upset or disconcerted; to lose one's temper.".
No generated misspelling entries exist for lose one's cool in our index, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is lose one's cool, spelled L-O-S-E- -O-N-E-'-S- -C-O-O-L.
Definition
- 1To become upset or disconcerted; to lose one's temper.
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
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Using “lose one's cool”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is L-O-S-E- -O-N-E-'-S- -C-O-O-L - every other letter order is a misspelling in standard orthography.
- Say it as /ˈluːz wʌnz ˈkuːl/ (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
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.