Monstrosity(n.) An unusually large or distorted creation; out of the common order of nature; that which is monstrous; a monster.
Thesaurus Entries
aberrance, aberrancy, aberration, abnormality, abnormity, abortion, absurdity, amorphism, anomalism, anomalousness, anomaly, anticness, awfulness, baboon, bag, barbarity, bizarreness, bizarrerie, blemish, blot, bowlegs, camelback, cleft palate, clubfoot, crookback, curiousness, defacement, deformation, deformity, derangement, deviation, difference, disfigurement, divergence, dog, dreadfulness, eccentricity, enormity, enormousness, erraticism, eyesore, fantasticality, fiendishness, flatfoot, freak, freak of nature, freakishness, fright, frightfulness, gargoyle, ghoulishness, grotesqueness, grotesquerie, hag, harelip, harridan, heinousness, hellishness, heteromorphism, hideousness, horribleness, horridness, horror, hugeness, humpback, hunchback, immensity, inferiority, irregularity, knock-knee, kyphosis, lordosis, malconformation, malformation, mess, miscreation, misproportion, misshape, monster, monstrousness, mutilation, no beauty, oddity, outlandishness, peculiarity, prodigiousness, quaintness, queerness, scarecrow, sight, singularity, splayfoot, strangeness, stupendousness, subnormality, superiority, swayback, talipes, teratism, teratology, torticollis, tremendousness, truncation, ugly duckling, unnaturalism, unnaturalness, valgus, vastness, weirdness, witch, wryneck