Jumping, or passing, from one thing or subject to another, without order, planning, or rational connection; lacking logical sequence.
Disappointing in performance or progress.
Out of course; by the way; not connected with the subject.
Deviating from normal opinions or actions; eccentric; odd.
Unsteady, random; prone to unexpected changes; not consistent.
A rock moved from one location to another, usually by a glacier.
Anything that has erratic characteristics.