button up
"button-up" is a 8-letter English headword indexed on PlainSpell.
The verdict
“button up” is outside the top-ranked English vocabulary, used as a verb - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To fasten with a button or buttons.
| Property | Value |
|---|---|
| Headword | button up |
| Language | English |
| Part of speech | Verb |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “button up” sits in English frequency
Spelling & Dictionary Insight
The English entry for button up is 9 letters long, classified as a verb. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
No misspelling variants are generated for button up in our index, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
This headword's origin isn't recorded in our source data, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is button up, spelled B-U-T-T-O-N- -U-P.
Definition
- 1To fasten with a button or buttons.
- 2To fasten all the buttons on a coat, or similar item of clothing, to keep warm.
- 3To conclude; to finalize; to put the finishing touches (on).
- 4Alternative form of button up one's lip.
- 5To seal off (a military vehicle or facility).
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 “button up”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-U-T-T-O-N- -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.