something hideous or frightful; "they regarded the atom bomb as a monstrosity"

a great word for something that is horribly ugly or impractical or just easy to hate

Monstrosity is a technical death metal band originating from Fort Lauderdale, Florida during the death metal scene of the late 1980's. Monstrosity was home to a number of session and full-time musicians whom later resurfaced in acts like Cynic, Malevolent Creation, Cannibal Corpse, Capharnaum and Hate Plow. John Rubin played guitar, Mark Van Erp played bass, and Lee Harrison played drums and has remained the constant within the band through the years.

a person or animal that is markedly unusual or deformed

The state of being monstrous, or out of the common order of nature; that which is monstrous; a monster.