(n.) Ill formation; irregular or anomalous formation; abnormal or wrong conformation or structure.

absurdity anticness bizarreness bizarrerie bowlegs camelback cleft palate clubfoot crookback curiousness defacement deformation deformity disfigurement distortion fantasticality flatfoot freakishness grotesqueness grotesquerie harelip humpback hunchback knock-knee kyphosis lordosis malconformation misproportion misshape monstrosity monstrousness mutilation oddity outlandishness peculiarity quaintness queerness singularity splayfoot strangeness swayback talipes teratism teratology torticollis truncation valgus weirdness wryneck