- In <em>pathology</em>, of or pertaining to ataxia; characterized by irregularity in function or course; irregular.
- Characterized by ataxy, that is, (a) by great irregularity of functions or symptoms, or (b) by a lack of coordinating power in movements.
- malignant typhus fever.
- Pertaining to <xref>ataxia</xref>.
- lacking motor coordination; marked or caused by ataxia