unquantifiable

adj

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

The verdict

“unquantifiable” 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) - Incapable of being quantified or precisely defined mathematically.

Corpus desk

Index EN-unquantifiable · unquantifiable · English

unquantifiable · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-7 7 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 unquantifiable
PropertyValue
Headwordunquantifiable
LanguageEnglish
Part of speechAdjective
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unquantifiable” in English

unquantifiablefalls 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

unquantifiable is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Incapable of being quantified or precisely defined mathematically.".

unquantifiable has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From un- + quantifiable. The correct English form is unquantifiable, spelled U-N-Q-U-A-N-T-I-F-I-A-B-L-E.

Definition

  1. 1
    Incapable of being quantified or precisely defined mathematically.

Recorded use

Wiktionary example

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

  1. The value of being loved is unquantifiable.

Etymology

From un- + quantifiable.

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 "unquantifiable"?
"unquantifiable" is spelled U-N-Q-U-A-N-T-I-F-I-A-B-L-E.
What does "unquantifiable" mean?
As an adjective, "unquantifiable" means: Incapable of being quantified or precisely defined mathematically.
What is the origin of the word "unquantifiable"?
From un- + quantifiable. 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