fits and starts (n.)
- ague
- arrhythmia
- bumpiness
- capriciousness
- chattering
- choppiness
- chorea
- disconnectedness
- discontinuity
- eccentricity
- fibrillation
- fitfulness
- fluctuation
- inconstancy
- intermittence
- irregularity
- jactation
- jactitation
- jerkiness
- nonuniformity
- palsy
- patchiness
- quivering
- roughness
- shaking
- shivering
- spasticity
- stagger
- succussion
- trembling
- uncertainty
- unevenness
- unpredictability
- unsteadiness
- variability
- vibration
- whimsicality
- wobble