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three-dimensional

adjective

three-di·​men·​sion·​al ˈthrē-də-ˈmen(t)-sh(ə-)nəl How to pronounce three-dimensional (audio)
also -dī-
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.
Artists of that period applied stucco thickly to form three-dimensional textures that mimicked fabric. Alexis Benveniste, Architectural Digest, 21 Nov. 2025 The seasonal motif, Croc Embroidery, features a three-dimensional texture for eveningwear and gala pieces. Samantha Conti, Footwear News, 21 Nov. 2025 Further examination showcased that this resulting three-dimensional construct closely mimics the human endosteal niche and is relatively large (8 mm diameter, 4 mm thickness). Mrigakshi Dixit, Interesting Engineering, 19 Nov. 2025 Try to look at other people as fully rounded, three-dimensional children of God, not as cardboard cutouts. Paul Prather, Arkansas Online, 15 Nov. 2025 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 27 Nov. 2025.

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

More from Merriam-Webster on three-dimensional

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