Monstrosity \Mon*stros"i*ty\ (m[o^]n*str[o^]s"[i^]*t[y^]), n.; pl. {Monstrosities} (m[o^]n*str[o^]s"[i^]*t[i^]z). [Cf. F. monstruosit['e]. See {Monstrous}.] The state of being monstrous, or out of the common order of nature; that which is monstrous; a monster. --South. [1913 Webster] A monstrosity never changes the name or affects the immutability of a species. --Adanson (Trans.). [1913 Webster]