innumeracy

noun

"innumeracy" is a 10-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Lack of numeracy; low numeracy.

Corpus desk

Index EN-innumeracy · innumeracy · English

innumeracy · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 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 innumeracy
PropertyValue
Headwordinnumeracy
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “innumeracy” in English

innumeracysits 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

innumeracy is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Lack of numeracy; low numeracy.".

No misspelling variants are generated for innumeracy in our index, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From in- + numeracy; coined by Douglas Hofstadter and popularized by mathematician John Allen Paulos in his 1989 book Innumeracy: Mathematical Illiteracy and its Consequences. The correct English form is innumeracy, spelled I-N-N-U-M-E-R-A-C-Y.

Definition

  1. 1
    Lack of numeracy; low numeracy.

Recorded use

Wiktionary examples

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

  1. John Allen Paulos and others have asked our society to consider numeracy and innumeracy in a way closer to how we view literacy and illiteracy.
  2. The man suffered from innumeracy stemming from a brain injury, and depended on his wife for all financial matters, no matter how trivial.

Etymology

From in- + numeracy; coined by Douglas Hofstadter and popularized by mathematician John Allen Paulos in his 1989 book Innumeracy: Mathematical Illiteracy and its Consequences.

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 "innumeracy"?
"innumeracy" is spelled I-N-N-U-M-E-R-A-C-Y.
What does "innumeracy" mean?
As a noun, "innumeracy" means: Lack of numeracy; low numeracy.
What is the origin of the word "innumeracy"?
From in- + numeracy; coined by Douglas Hofstadter and popularized by mathematician John Allen Paulos in his 1989 book Innumeracy: Mathematical Illiteracy and its Consequences. 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