unrepeatable

adj

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

The verdict

“unrepeatable” 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) - Unable to be repeated

Corpus desk

Index EN-unrepeatable · unrepeatable · English

unrepeatable · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 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 unrepeatable
PropertyValue
Headwordunrepeatable
LanguageEnglish
Part of speechAdjective
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unrepeatable” in English

unrepeatablefalls 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

unrepeatable is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for unrepeatable in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From un- + repeatable. The correct English form is unrepeatable, spelled U-N-R-E-P-E-A-T-A-B-L-E.

Definition

  1. 1
    Unable to be repeated
  2. 2
    (of an experiment or procedure) That gives different results when repeated

Recorded use

Wiktionary example

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

  1. He told us to get off his property in unrepeatable terms.

Etymology

From un- + repeatable.

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

Frequently Asked Questions

How do you spell "unrepeatable"?
"unrepeatable" is spelled U-N-R-E-P-E-A-T-A-B-L-E.
What does "unrepeatable" mean?
As an adjective, "unrepeatable" means: Unable to be repeated
What is the origin of the word "unrepeatable"?
From un- + repeatable. 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