one-dimensional

adjective

Having length, but no width, height or depth.

“one-dimensional characters”

Similar
unidimensionallinearcollinearlineallinelikerectilinearrectilineal
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Meanings

adjectiveone-dimensional (not generally comparable, comparative more one-dimensional, superlative most one-dimensional)

comparative more one-dimensional · superlative most one-dimensional · alternative onedimensional

  1. not comparableusuallyHaving length, but no width, height or depth.

    A straight line is one-dimensional.

  2. figurativelynot comparableusuallyLacking depth or believability; flat.

    one-dimensional characters

    2 more examples

    Such one-dimensional characters have always existed in the theatre along with more recognizably human characters.

    1972, Hardie Albright, Stage direction in transition

    In contrast to this are the flat, one-dimensional characters found in fables.

    1999, Kimberly Kimbell-Lopez, Connecting with traditional literature
  3. figurativelynot comparableusuallyLacking personal depth and substance; conceited, vain, shallow, superficial.

Synonyms & antonyms

adjectiverelating to a single dimension or aspect; having no depth or scope

Similar
unidimensional

adjectiveof or in or along or relating to a line; involving or having a single dimension

Similar
linearcollinearlineallinelikerectilinearrectilineal
Also see
collinearlineallinearlinelikerectilinearunidimensional

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Chinese Mandarin 一維的 /一维的, 扁平
  • 一維的 /一维的 (yīwéi de)having length, but no width, height or depth
  • 扁平 (biǎnpíng)figuratively, lacking depth or believability
  • 單維 /单维 (dānwéi)figuratively, lacking depth or believability
Czech jednorozměrný
  • jednorozměrnýhaving length, but no width, height or depth
Finnish yksiulotteinen
  • yksiulotteinenhaving length, but no width, height or depth
German eindimensional, eindimensional
  • eindimensionalhaving length, but no width, height or depth
  • eindimensionalfiguratively, lacking depth or believability
Hungarian egydimenziós
  • egydimenzióshaving length, but no width, height or depth
Irish aontoiseach
  • aontoiseachhaving length, but no width, height or depth
Italian unidimensionale
  • unidimensionalehaving length, but no width, height or depth
Japanese 一次元の
  • 一次元の (ichijigen no)having length, but no width, height or depth
Korean 영차원의
  • 영차원의 (yeongchawon-ui)having length, but no width, height or depth
Māori ahutahi
  • ahutahihaving length, but no width, height or depth
Norwegian Bokmål endimensjonal, endimensjonal
  • endimensjonalhaving length, but no width, height or depth
  • endimensjonalfiguratively, lacking depth or believability
Polish jednowymiarowy, jednowymiarowy
  • jednowymiarowyhaving length, but no width, height or depth
  • jednowymiarowyfiguratively, lacking depth or believability
Portuguese unidimensional
  • unidimensionalhaving length, but no width, height or depth
Romanian unidimensional
  • unidimensionalhaving length, but no width, height or depth
Spanish unidimensional
  • unidimensionalhaving length, but no width, height or depth
Swedish endimensionell, endimensionell
  • endimensionellhaving length, but no width, height or depth
  • endimensionellfiguratively, lacking depth or believability
Tagalog iisahing sukod
  • iisahing sukodhaving length, but no width, height or depth
Cite this entry
APA

one-dimensional. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/one-dimensional

MLA

“one-dimensional.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/one-dimensional. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “one-dimensional,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/one-dimensional.

Source: one-dimensional on Wiktionary, CC BY-SA 4.0.