- lack of proportion; imbalance among the parts of something
- Cephalo-pelvic disproportion exists when the capacity of the pelvis is inadequate to allow the fetus to negotiate the birth canal. This may be due to a small pelvis, a nongynecoid pelvic formation, a large fetus, or a combination of these factors. ...
- (disproportioned) Badly proportioned; disproportionate