indeclinable
"indeclinable" is a 12-letter English headword indexed on PlainSpell.
The verdict
“indeclinable” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 12
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - That one cannot decline; unavoidable.
Corpus desk
Index EN-indeclinable · indeclinable · English
indeclinable · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 12 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "I" 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 | indeclinable |
| Language | English |
| Part of speech | Adjective |
| Letters | 12 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “indeclinable” in English
Rare enough to double-check
indeclinable is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.
indeclinable has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From French indéclinable, from Middle French, from Latin indeclinabilis. Equivalent to in- + declinable. The correct English form is indeclinable, spelled I-N-D-E-C-L-I-N-A-B-L-E.
Definition
- 1That one cannot decline; unavoidable.
- 2Not grammatically declinable; of a word, having no inflections.
Recorded use
Wiktionary exampleThese source excerpts show how indeclinable appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
He'd planned to work a double shift Friday night, but Gladys Silverman's indeclinable invitation threw a hefty wrench into David's plans.
Etymology
From French indéclinable, from Middle French, from Latin indeclinabilis. Equivalent to in- + declinable.
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). See the methodology for how each field is sourced and updated.