oppositional disorder

[ ŏp′ə-zĭshə-nəl ]

n.

A behavioral disorder in which an individual, usually between the ages of 3 and 18, exhibits a persistent pattern of disobedient and intentionally provocative opposition to authority figures. It is characterized by consistently negativistic behaviors such as temper tantrums, violation of rules, argumentativeness, and dawdling.

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.