disproportion

Short definition from Wiktionary

Noun

1. 1
   The state of being out of proportion; an abnormal or improper ratio; an imbalance.
2. 2
   Lack of suitableness, adequacy, or due proportion to an end or use; unsuitableness.

Verb

1. 1
   To make unsuitable in quantity, form, or fitness; to violate symmetry in; to mismatch.