IPA: /ˈkjuːbɪkli/
KK: /ˈkjubɪkli/
In a way that relates to or resembles a cube, often used in mathematics or geometry.
The volume of the box increases cubically as its dimensions are enlarged.
Cubically → It is formed from "cube" (from Latin "cubus", meaning a three-dimensional geometric figure with six equal square faces) and "-ically" (meaning in a manner relating to). The word "cubically" means in a manner relating to or resembling a cube.
Think of a cube, which is a three-dimensional shape with equal sides, and remember that "cubically" refers to something done in a way that relates to a cube.