Characterized by ataxy, that is, (a) by great irregularity of functions or symptoms, or (b) by a lack of coordinating power in movements.

lacking motor coordination; marked or caused by ataxia

Unbalanced of jerking body movements.

A lack of coordination while performing voluntary movements.  Movements are not smooth and may appear disjointed or jerky. Ataxia may affect any part of the body.

Having unbalanced, jerky movements.

Unable to coordinate muscular movements.

unsteady walking action due to muscular incoordination