two-dimensional

adjective

two-di·​men·​sion·​al ˈtü-də-ˈmen(t)-sh(ə-)nəl How to pronounce two-dimensional (audio)
also -dī-
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 Whether your perception of Gen Z is shaped by real-world interactions or two-dimensional headlines, pigeonholing a whole generation is reductive. Alex Cooper, Fortune, 16 May 2026 Despite getting demoted from protagonist to fatality victim, Tan hints that he might not be done with Mortal Kombat — even if Cole and his now-two-dimensional noggin are. James Grebey, Vulture, 12 May 2026 The study also found that three-dimensional biological neural networks offer richer connectivity and greater computational potential than traditional flat two-dimensional cultures. Jijo Malayil, Interesting Engineering, 8 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 21 May. 2026.

Kids Definition

two-dimensional

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

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