three-dimensional

adjective

three-di·​men·​sion·​al ˈthrē-də-ˈmen(t)-sh(ə-)nəl How to pronounce three-dimensional (audio)
also -dī-
Synonyms of three-dimensionalnext
1
: of, relating to, or having three dimensions
2
: giving the illusion of depth or varying distances
used especially of an image or a pictorial representation on a two-dimensional medium when this illusion is enhanced by stereoscopic means
3
: describing or being described in well-rounded completeness
… a three-dimensional analysis of multiple historical processes …L. L. Snyder
4
: true to life : lifelike
three-dimensionality noun

Examples of three-dimensional in a Sentence

an actress who has been acclaimed for her three-dimensional portrayal of the celebrated monarch
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.
And, most gratifyingly for a genre that can sometimes feel stuck in retrograde masculinity, a lot of those three-dimensional characters are women. Roxana Hadadi, Vulture, 14 May 2026 It’s adorned with three-dimensional flowers for a subtle touch of texture. Jacqueline Tempera, Better Homes & Gardens, 12 May 2026 Jelly-like, three-dimensional pads contour the bra’s cups and provide a push-up effect, thus lifting and preventing spillage. Maggie Horton, PEOPLE, 11 May 2026 Even the façade, composed of three-dimensional tiles designed by ceramist Maria Ana Vasco Costa, functions as an artwork. Gisela Williams, Travel + Leisure, 9 May 2026 See All Example Sentences for three-dimensional

Word History

First Known Use

1870, in the meaning defined at sense 1

Time Traveler
The first known use of three-dimensional was in 1870

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Cite this Entry

“Three-dimensional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/three-dimensional. Accessed 17 May. 2026.

Kids Definition

three-dimensional

adjective
1
: of, relating to, or having three dimensions (as length, width, and height)
2
: giving the appearance of depth or varying distances

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