unbutton

/ʌnˈbʌtən/

//ʌnˈbʌtən// verb

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

The verdict

“unbutton” is uncommon English (frequency #80,080 among 1,433 “U” headwords), classed as a verb. The kind of spelling people second-guess.

#80,080
frequency rank, English
1,433
“U” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To open (something) by undoing its buttons.

Corpus desk

Index EN-unbutton · unbutton · English

unbutton · rank #80,080 · 0 variants · 0 confusables

  • FREQ-RARE #80,080
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH uncharitable

Nearest frequency peer: uncharitable (+1 rank slots)

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.

Long-tail ranks near “unbutton”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “unbutton” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for unbutton
PropertyValue
Headwordunbutton
LanguageEnglish
Part of speechVerb
IPA/ʌnˈbʌtən/
Letters8
Frequency rank#80,080
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unbutton” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).unbuttonfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “uncharitable” (#80,081), “uncoupled” (#80,082), “ulema” (#80,077). Among 1,433 “U” headwords, “unbutton” is #80,080. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

unbutton is uncommon English at frequency #80,080 among 1,433 “U” headwords, classed as averb, transcribed /ʌnˈbʌtən/. Rarity is why readers land here mid-draft. 2 senses are on record.

Our edit-distance generator produced no likely misspellings for unbutton, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Middle English onbottonen, unbotonen; equivalent to un- + button. The correct English form is unbutton, spelled U-N-B-U-T-T-O-N.

Definition

  1. 1
    To open (something) by undoing its buttons.
  2. 2
    To come open by having its buttons unfastened.

Recorded use

Wiktionary examples

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

  1. Being now too high wound up to bear a delay, he unbutton'd, and drawing out the engine of love-assaults, drove it currently, as at a ready-made breach
  2. He was so muscled and firm, and the canvas shirt under his jacket unbuttoned easily.

Etymology

From Middle English onbottonen, unbotonen; equivalent to un- + button.

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "unbutton"?
"unbutton" is spelled U-N-B-U-T-T-O-N. The IPA pronunciation is /ʌnˈbʌtən/.
What does "unbutton" mean?
As a verb, "unbutton" means: To open (something) by undoing its buttons.
How do you pronounce "unbutton"?
The IPA (International Phonetic Alphabet) transcription for "unbutton" is /ʌnˈbʌtən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "unbutton"?
From Middle English onbottonen, unbotonen; equivalent to un- + button. See the full etymology section above for more details.
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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "unbutton", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list