Disproportional adj. Not having due proportion to something else; not having proportion or symmetry of parts; unsuitable in form, quantity or value; inadequate; unequal; as, a disproportional limb constitutes deformity in the body; the studies of youth should not be disproportional to their understanding.
... contiguous in this world; neither can every piece of the building be of one form; nay rather the perfection consists in this, that, out of many moderate varieties and brotherly dissimilitudes that are not vastly disproportional, arises the goodly and the graceful symmetry that commends the whole ... — Areopagitica - A Speech For The Liberty Of Unlicensed Printing To The - Parliament Of England • John Milton