a.
1.
Deviating, wandering, rambling, diverging, divergent, devious, erratic, out of the right way.
2.
Irregular, abnormal, unnatural, unusual, singular, peculiar, anomalous, unconformable, exceptional, strange, anomalistic, eccentric, erratic, out of the way, disconnected, inconsequent, idiotic, monstrous, preternatural.