Disproportionate vs. Unproportionate — Which is Correct Spelling?

Out of proportion, as in size, shape, or amount.

Not proportionate.

Out of proportion.

(chemistry) To undergo disproportionation.

Not proportioned; unsymmetrical; unsuitable to something else in bulk, form, value, or extent; out of proportion; inadequate; as, in a perfect body none of the limbs are disproportionate; it is wisdom not to undertake a work disproportionate means.

Out of proportion

Not proportionate