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
Scoliosis is a three-dimensional curvature and rotation of the spine that often develops during periods of rapid growth.
—Oc Register, 10 June 2026
To showcase its capabilities, the team used the technology to manipulate three-dimensional objects in virtual reality and direct a robotic hand to play the piano.
—Jijo Malayil, Interesting Engineering, 10 June 2026
Vintage toys like Gumby are displayed alongside his three-dimensional art from different eras.
—Kyle Eustice, SPIN, 10 June 2026
Another common technique is simultaneous localization and mapping (SLAM), which continuously builds and updates three-dimensional representations of the environment while tracking the robot's position within them.
—New Atlas, 8 June 2026
See All Example Sentences for three-dimensional
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Oc Register, 10 June 2026
To showcase its capabilities, the team used the technology to manipulate three-dimensional objects in virtual reality and direct a robotic hand to play the piano.
—Jijo Malayil, Interesting Engineering, 10 June 2026
Vintage toys like Gumby are displayed alongside his three-dimensional art from different eras.
—Kyle Eustice, SPIN, 10 June 2026
Another common technique is simultaneous localization and mapping (SLAM), which continuously builds and updates three-dimensional representations of the environment while tracking the robot's position within them.
—New Atlas, 8 June 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 16 Jun. 2026.
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