[ in-fekt ]
/ ɪnˈfɛkt /
verb (used with object)
to affect or contaminate (a person, organ, wound, etc.) with disease-producing germs.
to affect with disease.
to taint or contaminate with something that affects quality, character, or condition unfavorably: to infect the air with poison gas.
to corrupt or affect morally: The news of the gold strike infected him with greed.
to imbue with some pernicious belief, opinion, etc.
to affect with a computer virus.
to affect so as to influence feeling or action: His courage infected the others.
Law. to taint with illegality, or expose to penalty, forfeiture, etc.
verb (used without object)
to become infected.
Origin of infect
in·fect·ant, adjectivein·fect·ed·ness, nounin·fec·tor, in·fect·er, nounnon·in·fect·ed, adjective
non·in·fect·ing, adjectivepre·in·fect, verb (used with object)re·in·fect, verb (used with object)un·in·fect·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for reinfect (1 of 2)
/ (ˌriːɪnˈfɛkt) /
verb (mainly tr)
to infect or contaminate again
Derived Formsreinfection, noun
British Dictionary definitions for reinfect (2 of 2)
/ (ɪnˈfɛkt) /
verb (mainly tr)
to cause infection in; contaminate (an organism, wound, etc) with pathogenic microorganisms
(also intr) to affect or become affected with a communicable disease
to taint, pollute, or contaminate
to affect, esp adversely, as if by contagion
computing to affect with a computer virus
mainly international law to taint with crime or illegality; expose to penalty or subject to forfeiture
archaic contaminated or polluted with or as if with a disease; infected
Derived Formsinfector or infecter, noun
Word Origin for infect
C14: from Latin inficere to dip into, stain, from facere to make
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
Word Origin and History for reinfect
late 14c., from Latin infectus, past participle of inficere "to spoil, stain," literally "to put in to, dip into," from in- "in" (see in- (2)) + facere "perform" (see factitious). Related: Infected; infecting.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for reinfect
[ ĭn-fĕkt′ ]
To contaminate with a pathogenic microorganism or agent.
To communicate a pathogen or disease to another organism.
To invade and produce infection in an organ or body part.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.