anti-
- a prefix meaning “against,” “opposite of,” “antiparticle of,” used in the formation of compound words (anticline); used freely in combination with elements of any origin (antibody; antifreeze; antiknock; antilepton).
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Also before a vowel, ant-.
Origin of anti-
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for anti-
Contemporary Examples
But, in theory, the minute she announces, unauthorized PACs, whether pro- or anti-, will need to chop her name from their titles.
Hillary’s SuperPAC War Proves Yet Again That Campaign Finance Needs a FixMichelle Cottle
January 28, 2014
Pro pay for performance, anti-"take whatever you want" healthcare.
A Young Republican Looks ForwardNovember 13, 2012
Finally, and most importantly, Conservatives need to drop the anti- State rhetoric.
Historical Examples
How can you have communion with something “anti- or ultra-human”?
The Vagabond in LiteratureArthur Rickett
They are not only anti- English, but anti-French, anti-American, and at times bitter.
Germany and the GermansPrice Collier
anti-
- against; opposinganticlerical; antisocial
- opposite toanticlimax; antimere
- rival; falseantipope
- counteracting, inhibiting, or neutralizingantifreeze; antihistamine
- designating the antiparticle of the particle specifiedantineutron
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Word Origin
from Greek anti
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 anti-
word-forming element meaning "against, opposed to, opposite of, instead," from Old French anti- and directly from Latin anti-, from Greek anti "against, opposite, instead of," also used as a prefix, from PIE *anti "against," also "in front of" (see ante). It appears in some words in Middle English but was not commonly used in word formations until modern times.
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Online Etymology Dictionary, © 2010 Douglas Harper
anti-
- Opposite:antimere.
- Opposing; against:antisocial.
- Counteracting; neutralizing:antibody.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
anti-
- A prefix whose basic meaning is against. It is used to form adjectives that mean counteracting (such as antiseptic, preventing infection). It is also used to form nouns referring to substances that counteract other substances (such as antihistamine, a substance counteracting histamine), and nouns meaning something that displays opposite, reverse, or inverse characteristics of something else (such as anticyclone, a storm that circulates in the opposite direction from a cyclone). Before a vowel it becomes ant-, as in antacid.
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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.