insurmountable
"insurmountable" is a 14-letter English headword indexed on PlainSpell.
The verdict
“insurmountable” is a moderately-common English word, ranked #27,886 in English word frequency and used as an adjective.
- #27,886
- frequency rank, English
- 14
- letters
- 22
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Incapable of being passed over, surmounted, or overcome; insuperable
| Property | Value |
|---|---|
| Headword | insurmountable |
| Language | English |
| Part of speech | Adjective |
| Letters | 14 |
| Frequency rank | #27,886 |
| Misspellings tracked | 22 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “insurmountable” sits in English frequency
Spelling & Dictionary Insight
The English entry for insurmountable is 14 letters long, classified as an adjective. Corpus data places it at rank #27,886 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Incapable of being passed over, surmounted, or overcome; insuperable".
Our generated misspelling index lists 22 likely wrong-spelling variants for insurmountable, with forms such as "innsurmountable", "insrumountable", and "inssurmountable". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From in- + surmountable. The correct English form is insurmountable, spelled I-N-S-U-R-M-O-U-N-T-A-B-L-E.
Definition
- 1Incapable of being passed over, surmounted, or overcome; insuperable
Etymology
From in- + surmountable.
This word in other languages
Common misspellings
Also misspelled as: innsurmountable,insrumountable,inssurmountable,insumrountable,insurmmountable,insurmonutable,insurmounatble,insurmounntable,insurmountabble,insurmountabel,insurmountablle,insurmountalbe,insurmountbale,insurmountible,insurmounttable,insurmoutnable,insurmuontable,insuromuntable,insurrmountable,inusrmountable,isnurmountable,nisurmountable
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of insurmountable - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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
How do you spell "insurmountable"?
What does "insurmountable" mean?
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What is the origin of the word "insurmountable"?
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Using “insurmountable”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-S-U-R-M-O-U-N-T-A-B-L-E - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
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.