Antonyms of adj planar

1 sense of planar

Sense 1
planar (vs. cubic) (vs. linear), two-dimensional -- (involving two dimensions)

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")
linear (vs. planar) (vs. cubic), one-dimensional -- (of or in or along or relating to a line; involving a single dimension; "a linear measurement")
        => collinear -- (lying on the same line)
        => lineal -- (arranged in a line)
        => linelike -- (resembling a line)
        => rectilinear, rectilineal -- (characterized by a straight line or lines; "rectilinear patterns in wallpaper"; "the rectilinear propagation of light")

Similarity of adj planar

1 sense of planar

Sense 1
planar (vs. cubic) (vs. linear), two-dimensional -- (involving two dimensions)
       => coplanar -- (lying in the same plane)
       => flat -- (having a relatively broad surface in relation to depth or thickness; "flat computer monitors")
       => placoid, platelike -- (as the hard flattened scales of e.g. sharks)
       => planate, flattened -- (having been flattened)
       => tabular -- (flat; like a table in form)