proportionalitysubstantiv The quality or state of being in correct relation or balance. The proportionality of the sculpture was admired by all the art critics.
The principle that the punishment of a crime should be in proportion to the severity of the crime. The judge emphasized the importance of proportionality in sentencing.
A mathematical relationship between two quantities where their ratio is constant. In physics, the concept of proportionality is often used to describe the relationship between force and acceleration.