indecipherable
/ɪndɪˈsaɪfəɹəbəl/
"indecipherable" is a 14-letter English headword indexed on PlainSpell.
The verdict
“indecipherable” is uncommon English (frequency #71,587 among 2,140 “I” headwords), classed as an adjective. The kind of spelling people second-guess.
- #71,587
- frequency rank, English
- 2,140
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not decipherable; impossible to decode, read, understand or comprehend.
Corpus desk
Index EN-indecipherable · indecipherable · English
indecipherable · rank #71,587 · 0 variants · 0 confusables
- FREQ-RARE #71,587
- LEN-MEGA 14 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,140
- PHOTO-FINISH impoverishment
Nearest frequency peer: impoverishment (-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.
Frequency neighbourhood for “indecipherable”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- Illingworth
Illingworth
28,418 corpus weight
- imperceptib…
imperceptibly
28,416 corpus weight
- impoverishm…
impoverishment
28,415 corpus weight
- indeciphera…
indecipherable
28,414 corpus weight
- ingratiate
ingratiate
28,412 corpus weight
- inguinal
inguinal
28,411 corpus weight
What this shows Bars show where “indecipherable” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | indecipherable |
| Language | English |
| Part of speech | Adjective |
| IPA | /ɪndɪˈsaɪfəɹəbəl/ |
| Letters | 14 |
| Frequency rank | #71,587 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “indecipherable” sits in English frequency
Rare enough to double-check
indecipherable is uncommon English at frequency #71,587 among 2,140 “I” headwords, classed as anadjective, transcribed /ɪndɪˈsaɪfəɹəbəl/. Rarity is why readers land here mid-draft. 2 senses are on record.
Zero misspellings are on record for indecipherable in our index, typically a sign the spelling maps closely to how the word sounds. 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 in- + decipherable. The correct English form is indecipherable, spelled I-N-D-E-C-I-P-H-E-R-A-B-L-E.
Definition
- 1Not decipherable; impossible to decode, read, understand or comprehend.
- 2Indistinguishable
Recorded use
Wiktionary examplesThese source excerpts show how indecipherable appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The doctor's handwriting was indecipherable.
The second and third quarters of the shield are indecipherable on the stone but clearer in two other representations of the arms, a painted wooden funeral hatchment for Mary Davie[…]
Etymology
From in- + decipherable.
Antonyms
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 "indecipherable", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 14 letters (nearest by frequency rank).
What to do next
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Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.