unevenness

noun

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“unevenness” is an uncommon English word, ranked #87,942 in English word frequency and used as a noun.

#87,942
frequency rank, English
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The quality or characteristic of being uneven; irregularity; inconsistency; the lack of smoothness or continuity.

Key facts for unevenness
PropertyValue
Headwordunevenness
LanguageEnglish
Part of speechNoun
Letters10
Frequency rank#87,942
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “unevenness” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). unevenness lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for unevenness is 10 letters long, classified as a noun. Corpus data places it at rank #87,942 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

Our edit-distance generator produced no likely misspellings for unevenness, typically a sign the spelling maps closely to how the word sounds. 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 Middle English unevennesse, equivalent to uneven + -ness. The correct English form is unevenness, spelled U-N-E-V-E-N-N-E-S-S.

Definition

  1. 1
    The quality or characteristic of being uneven; irregularity; inconsistency; the lack of smoothness or continuity.
  2. 2
    The result or product of being uneven.
  3. 3
    A rough or uneven thing.

Etymology

From Middle English unevennesse, equivalent to uneven + -ness.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "unevenness"?
"unevenness" is spelled U-N-E-V-E-N-N-E-S-S.
What does "unevenness" mean?
As a noun, "unevenness" means: The quality or characteristic of being uneven; irregularity; inconsistency; the lack of smoothness or continuity.
What is the origin of the word "unevenness"?
From Middle English unevennesse, equivalent to uneven + -ness. 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.

Using “unevenness”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is U-N-E-V-E-N-N-E-S-S - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list