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.
It’s adorned with three-dimensional flowers for a subtle touch of texture. Better Homes & Gardens, 21 June 2026 This arrangement enables three-dimensional sound placement that allows users to perceive where a robot is moving in relation to their body. Jijo Malayil, Interesting Engineering, 2 July 2026 The dress also contained three-dimensional floral embroidery on the skirt for a romantic touch and was covered in sparkles, giving it a golden glow. Hedy Phillips, PEOPLE, 4 July 2026 So first the Grassmannian of lines in three-dimensional space in this slightly higher dimensional setting would look more or less like the northern hemisphere. Quanta Magazine, 25 June 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 7 Jul. 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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