two-dimensional

adjective

two-di·​men·​sion·​al ˈtü-də-ˈmen(t)-sh(ə-)nəl How to pronounce two-dimensional (audio)
 also  -dī-
1
: of, relating to, or having two dimensions
The most symmetric of the two-dimensional objects is the circle, because you can rotate it any amount and reflect it over any axis through its center, and it remains exactly the same …Tamara M. Davis
… consider a piece of paper, a two-dimensional object. Crumple the paper up. The more tightly it's compressed, the more chaotic are its folds, and the closer the two-dimensional surface moves to becoming a three-dimensional solid.John Briggs and F. David Peat
2
: lacking the illusion of depth : not three-dimensional
His violent, nakedly two-dimensional art can be difficult to capture in photographs, depending as it does in great measure on knotty textures and eccentric color schemes for effect.Publishers Weekly
3
: lacking depth of characterization
two-dimensional characters
two-dimensionality noun
plural two-dimensionalities
two-dimensionally adverb
This guide … covers thoroughly and in-depth the process of representing the human form two-dimensionally on paper. Heather Halliday

Examples of two-dimensional in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Knox simply did not want to subscribe to the two-dimensional characterization of her prosecutor as so many had done to her. Rachel Brodsky, Rolling Stone, 24 Mar. 2025 If the device properties are just right, this could give rise to a two-dimensional version of a global electronic state that can be knotted up. IEEE Spectrum, 19 Mar. 2025 Growing up during the pandemic, the story goes, this new generation experienced other humans as clusters of pixels safely confined to a two-dimensional plane. Lily Scherlis, Harper's Magazine, 28 Feb. 2025 But that would require some kind of emotional investment in characters that seldom get as far as two-dimensional. Jennifer Zhan, Vulture, 15 Mar. 2025 See All Example Sentences for two-dimensional

Word History

First Known Use

1863, in the meaning defined at sense 1

Time Traveler
The first known use of two-dimensional was in 1863

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Cite this Entry

“Two-dimensional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/two-dimensional. Accessed 3 Apr. 2025.

Kids Definition

two-dimensional

adjective
: of, relating to, or having two dimensions (as length and width)

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