two-dimensional

adjective

Synonyms of two-dimensionalnext
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
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That meant users saw a flat, two-dimensional image with no real depth perception – a bit like looking through a toilet paper roll due to the limited field of view. David Szondy may 17, New Atlas, 17 May 2026 Hannah is perfect as a proxy for the harried viewer—sweet, two-dimensional, as wide-eyed as a Powerpuff Girl but much less feisty. Sophie Gilbert, The Atlantic, 10 June 2026 Small and electrically neutral, atomic qubits can be packed very closely together in dense two-dimensional arrays. Paul Lipman, Forbes.com, 10 June 2026 On a molecular level, graphite is made up of many two-dimensional sheets of carbon, known as graphene, stacked one upon another and held together by van der Waals forces. Harriet Weber, Popular Science, 20 May 2026 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 7 Jul. 2026.

Kids Definition

two-dimensional

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

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