illegibility

noun

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

The verdict

“illegibility” is uncommon English (outside the top frequency list), classed as a noun. 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) - The characteristic or quality of being illegible; the quality of being difficult or impossible to read.

Corpus desk

Index EN-illegibility · illegibility · English

illegibility · 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 "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 illegibility
PropertyValue
Headwordillegibility
LanguageEnglish
Part of speechNoun
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “illegibility” in English

illegibilitysits 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

illegibility is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The characteristic or quality of being illegible; the quality of being difficult or impossible to read.".

We couldn't generate a plausible misspelling set for illegibility, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

Wiktionary doesn't record an etymology for this headword, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is illegibility, spelled I-L-L-E-G-I-B-I-L-I-T-Y.

Definition

  1. 1
    The characteristic or quality of being illegible; the quality of being difficult or impossible to read.

Recorded use

Wiktionary examples

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

  1. The illegibility of his handwriting made it unclear which answer he wrote.
  2. “Poor thing! poor thing!” says Briggs (who was thinking of twenty-four years back, and that hectic young writing-master whose lock of yellow hair, and whose letters, beautiful in their illegibility, she cherished in her old desk upstairs).

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 "illegibility"?
"illegibility" is spelled I-L-L-E-G-I-B-I-L-I-T-Y.
What does "illegibility" mean?
As a noun, "illegibility" means: The characteristic or quality of being illegible; the quality of being difficult or impossible to read.
What language does "illegibility" come from?
"illegibility" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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