monstrosity
1. [ noun ] (biology) a person or animal that is markedly unusual or deformed
Synonyms: freak monster lusus_naturae
Related terms: mutant leviathan
2. [ noun ] something hideous or frightful
Examples:

"they regarded the atom bomb as a monstrosity"

Related terms: malformation
Similar spelling:   monstrous
  monstrously
  monestrous
  monastery
  monoestrous
  moonstone
  moon_shot