unfeasible
/ʌnˈfiː.zə.bəl/
"unfeasible" is a 10-letter English headword indexed on PlainSpell.
The verdict
“unfeasible” is uncommon English (frequency #53,933 among 1,433 “U” headwords), classed as an adjective. The kind of spelling people second-guess.
- #53,933
- frequency rank, English
- 1,433
- “U” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Infeasible: not feasible.
Corpus desk
Index EN-unfeasible · unfeasible · English
unfeasible · rank #53,933 · 0 variants · 0 confusables
- FREQ-RARE #53,933
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,433
- PHOTO-FINISH undignified
Nearest frequency peer: undignified (-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 “unfeasible”
Sparse band: bars invert rank so rarer forms read shorter
- underhand
underhand
46,072 corpus weight
- undifferent…
undifferentiated
46,070 corpus weight
- undignified
undignified
46,069 corpus weight
- unfeasible
unfeasible
46,068 corpus weight
- unintellige…
unintelligent
46,067 corpus weight
- unrecorded
unrecorded
46,066 corpus weight
What this shows Long-tail view: where “unfeasible” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | unfeasible |
| Language | English |
| Part of speech | Adjective |
| IPA | /ʌnˈfiː.zə.bəl/ |
| Letters | 10 |
| Frequency rank | #53,933 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “unfeasible” in English
Rare enough to double-check
unfeasible is uncommon English at frequency #53,933 among 1,433 “U” headwords, classed as anadjective, transcribed /ʌnˈfiː.zə.bəl/. Rarity is why readers land here mid-draft. Gloss: "Infeasible: not feasible.".
Our edit-distance generator produced no likely misspellings for unfeasible, and the word's spelling is regular enough that our generator found nothing worth flagging. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From un- + feasible. The correct English form is unfeasible, spelled U-N-F-E-A-S-I-B-L-E.
Definition
- 1Infeasible: not feasible.
Etymology
From un- + feasible.
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 "unfeasible", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).