inexpugnable

/ˌɪnɛkˈspʌɡnəbəl/

//ˌɪnɛkˈspʌɡnəbəl// adj

"inexpugnable" is a 12-letter English headword indexed on PlainSpell.

The verdict

“inexpugnable” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Impossible to eliminate or destroy; impregnable.

Corpus desk

Index EN-inexpugnable · inexpugnable · English

inexpugnable · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" thin
  • PHOTO-UNK Peer pending

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.

Key facts for inexpugnable
PropertyValue
Headwordinexpugnable
LanguageEnglish
Part of speechAdjective
IPA/ˌɪnɛkˈspʌɡnəbəl/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “inexpugnable” in English

inexpugnablesits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

inexpugnable is uncommon English outside the top frequency list, classed as anadjective, transcribed /ˌɪnɛkˈspʌɡnəbəl/. Rarity is why readers land here mid-draft. Gloss: "Impossible to eliminate or destroy; impregnable.".

We couldn't generate a plausible misspelling set for inexpugnable, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Learned borrowing from Latin inexpugnābilis. Morphologically, from in- + expugn + -able. The correct English form is inexpugnable, spelled I-N-E-X-P-U-G-N-A-B-L-E.

Definition

  1. 1
    Impossible to eliminate or destroy; impregnable.

Recorded use

Wiktionary examples

These source excerpts show how inexpugnable appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. My one hope of the world, my inexpugnable consolation in looking at the miseries of the world, is that this is altering.
  2. It crept into one's mind, a distress as vague and inexpugnable as a sea fog on a spring morning, and presently one shivered and wanted to go indoors...

Etymology

Learned borrowing from Latin inexpugnābilis. Morphologically, from in- + expugn + -able.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "inexpugnable"?
"inexpugnable" is spelled I-N-E-X-P-U-G-N-A-B-L-E. The IPA pronunciation is /ˌɪnɛkˈspʌɡnəbəl/.
What does "inexpugnable" mean?
As an adjective, "inexpugnable" means: Impossible to eliminate or destroy; impregnable.
How do you pronounce "inexpugnable"?
The IPA (International Phonetic Alphabet) transcription for "inexpugnable" is /ˌɪnɛkˈspʌɡnəbəl/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "inexpugnable"?
Learned borrowing from Latin inexpugnābilis. Morphologically, from in- + expugn + -able. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list