three-dimensional
adjective
three-di·men·sion·al
ˈthrē-də-ˈmen(t)-sh(ə-)nəl 
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
L. L. Snyder4
: true to life : lifelike
Synonyms of three-dimensional
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
The exhibition reimagines graffiti as a dynamic cultural force and blends two and three-dimensional works together.
—Alyson Rodriguez, Dallas Morning News, 5 Mar. 2026
One of the key technical building blocks behind that capability is three-dimensional facial keypoint detection, which maps critical points on a face in 3D space.
—Neetika Walter, Interesting Engineering, 3 Mar. 2026
What helped scientists confirm it as a distinct species was micro-CT scanning, which produces highly detailed three-dimensional images of internal structures.
—Hanna Wickes, Miami Herald, 27 Feb. 2026
What helped scientists confirm it as a distinct species was micro-CT scanning, a technology that produces highly detailed three-dimensional images of internal structures.
—Hanna Wickes, Kansas City Star, 27 Feb. 2026
See All Example Sentences for three-dimensional
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Alyson Rodriguez, Dallas Morning News, 5 Mar. 2026
One of the key technical building blocks behind that capability is three-dimensional facial keypoint detection, which maps critical points on a face in 3D space.
—Neetika Walter, Interesting Engineering, 3 Mar. 2026
What helped scientists confirm it as a distinct species was micro-CT scanning, which produces highly detailed three-dimensional images of internal structures.
—Hanna Wickes, Miami Herald, 27 Feb. 2026
What helped scientists confirm it as a distinct species was micro-CT scanning, a technology that produces highly detailed three-dimensional images of internal structures.
—Hanna Wickes, Kansas City Star, 27 Feb. 2026
See All Example Sentences for three-dimensional
Cite this Entry
“Three-dimensional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/three-dimensional. Accessed 10 Mar. 2026.
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