The state of being monstrous, or out of the common order of nature. We often read of monstrous births; but we see a greater monstrosity in education, when a father begets a son and trains him up into a beast.

An unnatural production; that which is monstrous. Fabri arranges distortions, gibbosities, tumorsin the class of morbific monstrosities. A monstrosity never changes the name or affects the immutability of a species.