three-dimensional

adjective

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

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.
The system then calculates the exact three-dimensional coordinates where the photon hit the crystal. Aman Tripathi, Interesting Engineering, 1 Aug. 2026 In another, shapes leap out of the frame of a massive three-dimensional painting in response to biometric data captured from wearable wristbands. Brittney Melton, NPR, 31 July 2026 In back the clamshell tailgate seen on previous Q5 and Q7 models is now a thing of the past, but optional curved OLED taillights featuring three-dimensional effects and lightning signatures look neat. Joel Feder, The Drive, 29 July 2026 Jelly-like, three-dimensional pads contour the cups and provide a push-up effect, thus lifting and preventing spillage. Maggie Horton, PEOPLE, 29 July 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 5 Aug. 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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