unobtainable
"unobtainable" is a 12-letter English headword indexed on PlainSpell.
The verdict
“unobtainable” is uncommon English (frequency #60,541 among 1,433 “U” headwords), classed as an adjective. The kind of spelling people second-guess.
- #60,541
- frequency rank, English
- 1,433
- “U” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Unable to be obtained: not able to be acquired or reached.
Corpus desk
Index EN-unobtainable · unobtainable · English
unobtainable · rank #60,541 · 0 variants · 0 confusables
- FREQ-RARE #60,541
- LEN-MEGA 12 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,433
- PHOTO-FINISH unnumbered
Nearest frequency peer: unnumbered (-1 rank slots)
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.
Long-tail ranks near “unobtainable”
Sparse band: bars invert rank so rarer forms read shorter
- unearthing
unearthing
39,463 corpus weight
- unhygienic
unhygienic
39,462 corpus weight
- unnumbered
unnumbered
39,461 corpus weight
- unobtainable
unobtainable
39,460 corpus weight
- unseated
unseated
39,459 corpus weight
- untried
untried
39,457 corpus weight
What this shows Long-tail view: where “unobtainable” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | unobtainable |
| Language | English |
| Part of speech | Adjective |
| Letters | 12 |
| Frequency rank | #60,541 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “unobtainable” in English
Rare enough to double-check
unobtainable is uncommon English at frequency #60,541 among 1,433 “U” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Unable to be obtained: not able to be acquired or reached.".
No generated misspelling entries exist for unobtainable in our index, 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 un- + obtainable. The correct English form is unobtainable, spelled U-N-O-B-T-A-I-N-A-B-L-E.
Definition
- 1Unable to be obtained: not able to be acquired or reached.
Recorded use
Wiktionary examplesThese source excerpts show how unobtainable appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
With secondhand bullhead rail almost unobtainable, the NYMR has been forced to go for new flat-bottom rail and orders are being placed; 58 fb rails are already en route to the railway.
Common Goal’s grand ambition is to reach a position where 1% of football’s entire multibillion dollar industry is donated to charity. It might seem an impossible dream – just as a young boy’s fantasy of becoming a top footballer almost always seems unobtainable. But Mata was one of those who fulfilled his footballing dream.
Etymology
From un- + obtainable.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "unobtainable", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 12 letters (nearest by frequency rank).