unreadability

noun

"unreadability" is a 13-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The property of being impossible to read.

Corpus desk

Index EN-unreadability · unreadability · English

unreadability · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 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 unreadability
PropertyValue
Headwordunreadability
LanguageEnglish
Part of speechNoun
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unreadability” in English

unreadabilityfalls 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

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

No misspelling variants are generated for unreadability in our index, suggesting the orthography follows predictable English patterns. 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- + read + -ability. Compare unreadable, readability. The correct English form is unreadability, spelled U-N-R-E-A-D-A-B-I-L-I-T-Y.

Definition

  1. 1
    The property of being impossible to read.
  2. 2
    The property of being unfit for reading.

Etymology

From un- + read + -ability. Compare unreadable, readability.

Synonyms

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 "unreadability"?
"unreadability" is spelled U-N-R-E-A-D-A-B-I-L-I-T-Y.
What does "unreadability" mean?
As a noun, "unreadability" means: The property of being impossible to read.
What is the origin of the word "unreadability"?
From un- + read + -ability. Compare unreadable, readability. 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