inactivate

[ in-ak-tuh-veyt ]
/ ɪnˈæk təˌveɪt /

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

to make inactive: The bomb was inactivated.
Immunology. to stop the activity of (certain biological substances).

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Origin of inactivate

First recorded in 1905–10; inactive + -ate1

OTHER WORDS FROM inactivate

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

Example sentences from the Web for inactivate

British Dictionary definitions for inactivate

inactivate
/ (ɪnˈæktɪˌveɪt) /

verb

(tr) to render inactive

Derived forms of inactivate

inactivation, 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 inactivate

inactivate
[ ĭn-ăktə-vāt′ ]

v.

To render nonfunctional.
To make quiescent.

Other words from inactivate

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