incontrovertible
/ˌɪŋ.kɒn.tɹəˈvɜː.təbl̩/
"incontrovertible" is a 16-letter English headword indexed on PlainSpell.
The verdict
“incontrovertible” is uncommon English (frequency #55,511 among 17,902 “I” headwords), classed as an adjective. The kind of spelling people second-guess.
- #55,511
- frequency rank, English
- 17,902
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Not capable of being denied, challenged, or disputed; closed to questioning.
| Property | Value |
|---|---|
| Headword | incontrovertible |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˌɪŋ.kɒn.tɹəˈvɜː.təbl̩/ |
| Letters | 16 |
| Frequency rank | #55,511 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “incontrovertible” sits in English frequency
Rare enough to double-check
incontrovertible is uncommon English at frequency #55,511 among 17,902 “I” headwords, classed as anadjective, transcribed /ˌɪŋ.kɒn.tɹəˈvɜː.təbl̩/. Rarity is why readers land here mid-draft. Gloss: "Not capable of being denied, challenged, or disputed; closed to questioning.".
No misspelling variants are generated for incontrovertible in our index, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From in- + controvertible. The correct English form is incontrovertible, spelled I-N-C-O-N-T-R-O-V-E-R-T-I-B-L-E.
Definition
- 1Not capable of being denied, challenged, or disputed; closed to questioning.
Etymology
From in- + controvertible.
Synonyms
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 “incontrovertible”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-C-O-N-T-R-O-V-E-R-T-I-B-L-E - every other letter order is a misspelling in standard orthography.
- Say it as /ˌɪŋ.kɒn.tɹəˈvɜː.təbl̩/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.