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infect

[ in-fekt ]
/ ɪnˈfɛkt /
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See synonyms for: infect / infected / infecting on Thesaurus.com

verb (used with object)
verb (used without object)
to become infected.
adjective
Archaic. infected.
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Origin of infect

1350–1400; Middle English infecten<Latin infectus (past participle of inficere to immerse in dye, discolor, taint, poison), equivalent to in-in-2 + -fec-, combining form of facere to do1, make (see fact) + -tus past participle suffix

OTHER WORDS FROM infect

WORDS THAT MAY BE CONFUSED WITH infect

1. afflict, infect , inflict2. infect , infest, invest
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use infect in a sentence

British Dictionary definitions for infect

infect
/ (ɪnˈfɛkt) /

verb (mainly tr)
adjective
archaic contaminated or polluted with or as if with a disease; infected

Derived forms of infect

infector 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

Medical definitions for infect

infect
[ ĭn-fĕkt ]

v.
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.
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