[ ree-ak-tuh-veyt ]
/ riˈæk təˌveɪt /

verb (used with object), re·ac·ti·vat·ed, re·ac·ti·vat·ing.

to render active again; revive.

verb (used without object), re·ac·ti·vat·ed, re·ac·ti·vat·ing.

to be active again.

Origin of reactivate

First recorded in 1900–05; re- + activate


re·ac·ti·va·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for reactivate

  • If Venex 17's head had been severed for less than three weeks he could reactivate it.

    The Velvet Glove|Harry Harrison
  • My thought then, as I explained to Fles, was to reactivate the factory and sell my product to the sightseers.

British Dictionary definitions for reactivate

/ (rɪˈæktɪˌveɪt) /


(tr) to make (something) active or functional again

Derived forms of reactivate

reactivation, noun
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

Medical definitions for reactivate

[ rē-ăktə-vāt′ ]


To make active again.
To restore the ability to function or the effectiveness of.

Other words from reactivate

re•ac′ti•vation n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.