unprovable
"unprovable" is a 10-letter English headword indexed on PlainSpell.
The verdict
“unprovable” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - That cannot be proved or verified by any test
| Property | Value |
|---|---|
| Headword | unprovable |
| Language | English |
| Part of speech | Adjective |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “unprovable” sits in English frequency
Rare enough to double-check
unprovable is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "That cannot be proved or verified by any test".
unprovable doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From Middle English unprevable, wnprowabil, equivalent to un- + provable. The correct English form is unprovable, spelled U-N-P-R-O-V-A-B-L-E.
Definition
- 1That cannot be proved or verified by any test
Etymology
From Middle English unprevable, wnprowabil, equivalent to un- + provable.
Antonyms
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 “unprovable”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is U-N-P-R-O-V-A-B-L-E - 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.