(n.) An unusually large or distorted creation\; out of the common order of nature; that which is monstrous; a monster.

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