incontestable
"incontestable" is a 13-letter English headword indexed on PlainSpell.
The verdict
“incontestable” is an uncommon English word, ranked #98,253 in English word frequency and used as an adjective.
- #98,253
- frequency rank, English
- 13
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Not contestable; indisputable; certain.
| Property | Value |
|---|---|
| Headword | incontestable |
| Language | English |
| Part of speech | Adjective |
| Letters | 13 |
| Frequency rank | #98,253 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “incontestable” sits in English frequency
Spelling & Dictionary Insight
The English entry for incontestable is 13 letters long, classified as an adjective. Corpus data places it at rank #98,253 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Not contestable; indisputable; certain.".
No misspelling variants are generated for incontestable in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From in- + contestable. The correct English form is incontestable, spelled I-N-C-O-N-T-E-S-T-A-B-L-E.
Definition
- 1Not contestable; indisputable; certain.
Etymology
From in- + contestable.
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
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Using “incontestable”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-C-O-N-T-E-S-T-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.