uneven

uneven — adjective

1. not having a smooth, flat, or level surface; or not equal or balanced in amount,

1.adjectiveB1
Definition

not having a smooth, flat, or level surface; or not equal or balanced in amount, distribution, or strength between two or more sides or parts

Example

The path to the temple was uneven, so Nia walked slowly to avoid tripping.

uneven + surface noun describing physical terrain

Hugo sanded the uneven edges of the wooden shelf until they felt smooth.

Common collocations
  • uneven surface
  • uneven ground
  • uneven floor
  • uneven road
  • uneven distribution
  • uneven match
  • uneven contest
Synonyms
  • irregular

    focuses on shape, pattern, or timing rather than surface flatness

  • bumpy

    informal and specifically about small raised areas on a surface

  • lopsided

    describes asymmetry where one side is heavier, larger, or stronger

  • unequal

    broader term for differences in size, amount, or status

Antonyms
  • even

    direct opposite — smooth, level, and equal throughout

  • level

    flat and parallel to the ground, with no bumps or dips

  • balanced

    fairly distributed or matched in strength

Usage Note

Can describe physical surfaces (uneven ground, uneven floor), quantities (uneven distribution, uneven shares), or competitive situations (uneven match, uneven contest). Often used after linking verbs like be, seem, look, or directly before a noun.

Common Mistakes

The ground is not level, so we cannot play football here.
The ground is uneven, so we cannot play football here.
'not level' is grammatically correct but less natural than 'uneven' for describing irregular ground.
The division of the money was not fair.' (when describing unequal amounts).
The division of the money was uneven.
'uneven' describes the difference in amounts; 'unfair' suggests intentional injustice.

2. not consistently good, with some parts being of a higher quality than others

2.adjectiveB2
Definition

not consistently good, with some parts being of a higher quality than others

Example

The hotel's rooms were uneven in quality — some were lovely while others needed repairs.

uneven in quality + contrasting parts

Linh thought the movie was uneven: the acting was excellent but the story lacked tension.

Common collocations
  • uneven quality
  • uneven performance
  • uneven work
  • uneven reviews
  • uneven results
  • uneven standards
Synonyms
  • inconsistent

    more direct and common than 'uneven' for quality variation

  • patchy

    informal, mostly British English — good in some parts, poor in others

  • variable

    neutral term for changing quality often used in formal contexts

  • mixed

    commonly used for reviews, feedback, or opinions

Antonyms
  • consistent

    staying the same quality throughout

  • uniform

    of the same standard in every part

Usage Note

Often used as a polite or softened way to say that something is not very good overall. Common with nouns like quality, performance, work, reviews, results, and standards. The sentence usually goes on to contrast the good parts with the weaker parts.

Common Mistakes

This book is uneven.' (when the book is boring throughout).
The book is uneven, with some exciting chapters and some dull ones.
'uneven' means the quality varies; for something consistently bad, use 'weak' or 'disappointing.'

Word family

Synonym discussion

Sense: adjective/1

Irregular focuses on shape, pattern, or intervals that do not follow a consistent rule (an irregular heartbeat), while uneven is broader and includes surface flatness and distribution balance. Bumpy is specifically about small raised and lowered areas on a surface (a bumpy road causes a rough ride). Lopsided describes visual asymmetry or one-sided contests (a lopsided score of 6–0), emphasising imbalance rather than roughness. Unequal is the widest term, covering any difference in size, number, rights, or status (unequal pay). Use uneven for physical irregularity or for distribution that is not equal across parts: 'The table wobbled because the floor was uneven,' or 'The workload was uneven across the team.'

irregular ↗bumpy ↗lopsidedunequal

Common collocations

Adverbs

Prepositions

Etymology

Old EnglishEnglish

Uneven comes from Old English unefen, which combined un- (meaning 'not') with efen (meaning 'level, equal'). So the original meaning was 'not level' or 'not equal.' The sense of 'not consistent in quality' developed in the 1700s. Related words exist in other Germanic languages, such as Dutch oneven and German uneben.