[ proh-ak-tiv ]
/ proʊˈæk tɪv /


serving to prepare for, intervene in, or control an expected occurrence or situation, especially a negative or difficult one; anticipatory: proactive measures against crime.

Origin of proactive

First recorded in 1930–35; pro-1 + active

Related forms

pro·ac·tive, nounpro·ac·tiv·i·ty, pro·ac·tive·ness, nounpro·ac·tive·ly, adverb

Can be confused

proactive reactionary reactive Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for proactive

British Dictionary definitions for proactive


/ (prəʊˈæktɪv) /


tending to initiate change rather than reacting to events
psychol of or denoting a mental process that affects a subsequent process

Word Origin for proactive

C20: from pro- ² + (re) active
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012