heads up
"heads-up" is a 7-letter English headword indexed on PlainSpell.
The verdict
“heads up” is outside the top-ranked English vocabulary, used as an interjection - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Used as an informal warning, caution, or call for attention; pay attention!
| Property | Value |
|---|---|
| Headword | heads up |
| Language | English |
| Part of speech | Interjection |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “heads up” sits in English frequency
Spelling & Dictionary Insight
The English entry for heads up is 8 letters long, classified as an interjection. 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: "Used as an informal warning, caution, or call for attention; pay attention!".
Our edit-distance generator produced no likely misspellings for heads up, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.
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 heads up, spelled H-E-A-D-S- -U-P.
Definition
- 1Used as an informal warning, caution, or call for attention; pay attention!
Synonyms
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 "heads up"?
What does "heads up" mean?
What language does "heads up" come from?
Is PlainSpell free to use?
Using “heads up”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is H-E-A-D-S- -U-P - 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.