unacceptably
"unacceptably" is a 12-letter English headword indexed on PlainSpell.
The verdict
“unacceptably” is uncommon English (frequency #61,186 among 23,789 “U” headwords), classed as an adverb. The kind of spelling people second-guess.
- #61,186
- frequency rank, English
- 23,789
- “U” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Not within the limits of what is generally considered to be acceptable.
| Property | Value |
|---|---|
| Headword | unacceptably |
| Language | English |
| Part of speech | Adverb |
| Letters | 12 |
| Frequency rank | #61,186 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “unacceptably” sits in English frequency
Rare enough to double-check
unacceptably is uncommon English at frequency #61,186 among 23,789 “U” headwords, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "Not within the limits of what is generally considered to be acceptable.".
Our edit-distance generator produced no likely misspellings for unacceptably, a sign its spelling follows regular English conventions. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From unacceptable + -ly. The correct English form is unacceptably, spelled U-N-A-C-C-E-P-T-A-B-L-Y.
Definition
- 1Not within the limits of what is generally considered to be acceptable.
Etymology
From unacceptable + -ly.
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
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Using “unacceptably”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is U-N-A-C-C-E-P-T-A-B-L-Y - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.