1 : having no fixed course : wandering an erratic comet. 2a : characterized by lack of consistency, regularity, or uniformity erratic dieting keeps erratic hours. b : deviating from what is ordinary or standard : eccentric an erratic genius.

What does it mean if your erratic?

ĭ-rătĭk. The definition of erratic is something that is not consistent or is lacking in a fixed course. A mental patient who behaves in a wildly unpredictable manner, happy and kind one minute and angry and shouting the next, is an example of someone with erratic behavior.

Does erratic mean insane?

As adjectives the difference between erratic and insane

is that erratic is unsteady, random; prone to unexpected changes; not consistent while insane is exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted .