Breadcrumb Home > Dictionary > Index P panic disorder: Meaning and Definition of Find definitions for: pan'ic disor"der Pronunciation: [key] — Psychiatry. Psychiatry. a disorder in which inappropriate, intense apprehension and physical symptoms of fear occur so frequently as to produce significant impairment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. panic button panicle TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language