cubic

cu-bic

adjective

Relating to a cube, or expressing the volume of a three-dimensional object.

"The container has a cubic capacity of ten metres."

Thesaurus

Synonyms: boxy, cube-shaped, cubical, three-dimensional, cuboidal, blocky, isometric, solid, cubelike, blockish, boxlike, cubiform

Antonyms: linear, one-dimensional, planar, two-dimensional