erraticism

er·rat·ic  (-rtk)

adj.

1. Having no fixed or regular course; wandering.

2. Lacking consistency, regularity, or uniformity: an erratic heartbeat.

3. Deviating from the customary course in conduct or opinion; eccentric: erratic behavior.

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[Middle English erratik, from Old French erratique, from Latin errticus, from errre, to wander; see ers- in Indo-European roots.]

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er·rati·cal·ly adv.

er·rati·cism (--szm) n.

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erraticism

an action or behavior that deviates from the norm; unpredictability in behavior.

See also: Behavior