pertinaciousness
"pertinaciousness" is a 16-letter English headword indexed on PlainSpell.
The verdict
“pertinaciousness” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 16
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state or characteristic of being pertinacious.
Corpus desk
Index EN-pertinaciousness · pertinaciousness · English
pertinaciousness · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 16 letters
- VOW-7 7 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "P" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | pertinaciousness |
| Language | English |
| Part of speech | Noun |
| Letters | 16 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “pertinaciousness” in English
Rare enough to double-check
pertinaciousness is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The state or characteristic of being pertinacious.".
pertinaciousness doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From pertinacious + -ness. The correct English form is pertinaciousness, spelled P-E-R-T-I-N-A-C-I-O-U-S-N-E-S-S.
Definition
- 1The state or characteristic of being pertinacious.
Recorded use
Wiktionary exampleThese source excerpts show how pertinaciousness appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
I had too much experience of my father's pertinaciousness ever to hope for a change in his views.
Etymology
From pertinacious + -ness.
Synonyms
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.