undefinable
"undefinable" is a 11-letter English headword indexed on PlainSpell.
The verdict
“undefinable” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not definable.
Corpus desk
Index EN-undefinable · undefinable · English
undefinable · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "U" 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 | undefinable |
| Language | English |
| Part of speech | Adjective |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “undefinable” in English
Rare enough to double-check
undefinable is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Not definable.".
undefinable doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From un- + definable. The correct English form is undefinable, spelled U-N-D-E-F-I-N-A-B-L-E.
Definition
- 1Not definable.
Recorded use
Wiktionary exampleThese source excerpts show how undefinable appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
There was some little undefinable coolness between old General Chattesworth and Devereux. He admired the young fellow, and he liked good blood in his corps, but somehow he was glad when he thought he was likely to go.
Etymology
From un- + definable.
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.