Breadcrumb Home > Dictionary > Index R reaction formation: Meaning and Definition of Find definitions for: reac'tion forma"tion Pronunciation: [key] — Psychoanal. Psychoanal. a behavioral tendency developed in direct opposition to a repressed impulse. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reaction engine reaction time 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