- having, or seeming to have, the dimension of depth as well as width and height.
- (especially in a literary work) fully developed: The story came alive chiefly because the characters were vividly three-dimensional.
Origin of three-dimensional
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
three-D or 3-D
- of, having, or relating to three dimensionsthree-dimensional space
- (of a film, transparency, etc) simulating the effect of depth by presenting slightly different views of a scene to each eye
- having volume
- lifelike or real