unvanquishable

adj

"unvanquishable" is a 14-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - That cannot be vanquished; undefeatable, inconquerable.

Corpus desk

Index EN-unvanquishable · unvanquishable · English

unvanquishable · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "U" 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 unvanquishable
PropertyValue
Headwordunvanquishable
LanguageEnglish
Part of speechAdjective
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unvanquishable” in English

unvanquishablefalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

unvanquishable is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "That cannot be vanquished; undefeatable, inconquerable.".

Our edit-distance generator produced no likely misspellings for unvanquishable, typically a sign the spelling maps closely to how the word sounds. 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: From un- + vanquishable. The correct English form is unvanquishable, spelled U-N-V-A-N-Q-U-I-S-H-A-B-L-E.

Definition

  1. 1
    That cannot be vanquished; undefeatable, inconquerable.

Recorded use

Wiktionary examples

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

  1. [...] if a man shall give his mind to these [i.e. stones, and herbs, and charms], he shall not only render his soul unvanquishable by passions, but shall also preserve his body the better in health: [etc.]
  2. Rise like Lions after slumber / In unvanquishable number

Etymology

From un- + vanquishable.

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 "unvanquishable"?
"unvanquishable" is spelled U-N-V-A-N-Q-U-I-S-H-A-B-L-E.
What does "unvanquishable" mean?
As an adjective, "unvanquishable" means: That cannot be vanquished; undefeatable, inconquerable.
What is the origin of the word "unvanquishable"?
From un- + vanquishable. 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