How to pronounce erratic:
Example: "Erratic behavior"
Example: "Erratic winds are the bane of a sailor"
A rock moved from one location to another, usually by a glacier.
Anything that has erratic characteristics.
Unsteady, random; prone to unexpected changes; not consistent
Example: "Henry has been getting erratic scores on his tests: 40% last week, but 98% this week."
Deviating from normal opinions or actions; eccentric; odd.
Example: "Erratic conduct"