Antonyms of adj three-dimensional

2 senses of three-dimensional

Sense 1
three-dimensional, 3-dimensional, third-dimensional, three-d -- (involving or relating to three dimensions or aspects; giving the illusion of depth; "lifelike three-dimensional characters"; "a three-dimensional account of conditions under the new government"; "they shot the movie in three-D")

INDIRECT (VIA multidimensional) -> unidimensional, one-dimensional -- (relating to a single dimension or aspect; having no depth or scope; "a prose statement of fact is unidimensional, its value being measured wholly in terms of its truth"- Mary Sheehan; "a novel with one-dimensional characters")

Sense 2
cubic (vs. linear) (vs. planar), three-dimensional -- (having three dimensions)


Similarity of adj three-dimensional

2 senses of three-dimensional

Sense 1
three-dimensional, 3-dimensional, third-dimensional, three-d -- (involving or relating to three dimensions or aspects; giving the illusion of depth; "lifelike three-dimensional characters"; "a three-dimensional account of conditions under the new government"; "they shot the movie in three-D")
       => multidimensional (vs. unidimensional) -- (having or involving or marked by several dimensions or aspects; "multidimensional problems"; "a multidimensional proposition"; "a multidimensional personality")

Sense 2
cubic (vs. linear) (vs. planar), three-dimensional -- (having three dimensions)
       => blockish, blocky -- (resembling a block in shape)
       => boxlike, boxy, box-shaped -- (resembling a box in rectangularity)
       => brick-shaped -- (shaped like a brick)
       => cubelike, cube-shaped, cubical, cubiform, cuboid, cuboidal -- (shaped like a cube)
       => isometric -- (of a crystal system characterized by three equal axes at right angles)
       => solid -- (having three dimensions; "a solid object")