impassable
"impassable" is a 10-letter English headword indexed on PlainSpell.
The verdict
“impassable” has 14 generated spelling variants in the English index at frequency #39,854. The variants make it a useful spelling check.
- #39,854
- frequency rank, English
- 2,140
- “I” headwords
- 14
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Incapable of being passed over, crossed, or negotiated.
Corpus desk
Index EN-impassable · impassable · English
impassable · rank #39,854 · 14 variants · 1 confusable
- FREQ-MID #39,854
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-LOW 1 pairs
- VAR-HIGH 14 variants
- BOOK-MID 2,140
- PHOTO-FINISH iguana
Nearest frequency peer: iguana (-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.
Rank peers near misspelling magnet “impassable”
Same rarity band: useful when a typo lands on a peer headword
- huckleberry
huckleberry
60,150 corpus weight
- Hutt
Hutt
60,149 corpus weight
- iguana
iguana
60,148 corpus weight
- impassable
impassable
60,147 corpus weight
- impatiently
impatiently
60,146 corpus weight
- incinerator
incinerator
60,144 corpus weight
What this shows “impassable” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | impassable |
| Language | English |
| Part of speech | Adjective |
| Letters | 10 |
| Frequency rank | #39,854 |
| Misspellings tracked | 14 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Frequency seat of misspelling magnet “impassable”
A misspelling magnet
The generator records 14 spelling variants around impassable, anadjective. Corpus frequency is #39,854 among 2,140 “I” headwords. Wiktionary lists 3 senses, so context still picks the gloss.
Our generated misspelling index lists 14 likely wrong-spelling variants for impassable, with forms such as "imapssable", "immpassable", and "impasable". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "impossible", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: From im- + pass + -able. The correct English form is impassable, spelled I-M-P-A-S-S-A-B-L-E.
Definition
- 1Incapable of being passed over, crossed, or negotiated.
- 2Incapable of being overcome or surmounted.
- 3Not usable as legal tender.
Recorded use
Wiktionary examplesThese source excerpts show how impassable appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
At the same time, the encroachment of vegetation proceeds apace, and broom and brambles have already made portions of the line impassable, even on foot.
[...] at Cowley Bridge Junction, east of Exeter, both lines were impassable from about 1.30 p.m.—the first flooding of the junction for 36 years—and by the evening the water had risen two-thirds of the way up the platforms at St. Davids as Exeter faced its worst flooding for 60 years.
Etymology
From im- + pass + -able.
Synonyms
This word in other languages
Common misspellings
Also misspelled as:
- imapssable
- immpassable
- impasable
- impasasble
- impassabble
- impassabel
- impassablle
- impassalbe
- impassbale
- impassible
- imppassable
- impsasable
- ipmassable
- mipassable
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of impassable - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 "impassable", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (14 here; floor ≥5).