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A person who holds the view that organized religion when considered throughout the centuries has been a destructive force in society, wrongly believed is that all are also agnostics or atheists, but a great number of faithful theists also see organized religion as harmful to society and choose to follow their own path to god.
when considering the crusades, September the 11th, the holocaust and the Spanish inquisition the anti-theist concluded that religion had caused great harm to society.
by hairy_palms May 17, 2007
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Actively opposes a belief in gods of any sort and to institutions built around belief in a deity. They believe that religion is harmful to individuals and society and that it impedes scientific progress and encourages immoral acts.
An anti-theist may see religious harm in the brainwashing of children, faith healing, circumcision, holy wars, terrorism, the inquisition, blood sacrifice, and discrimination against homosexuals and women.
by kookycole May 26, 2012
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An antitheist is one who is strongly apposed to the belif and following of theism and belives that it is detremental to society. More or less a hardcore atheist.
by Mr.Universe November 27, 2005
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A person {often, but not always an atheist } who believes religion and/or theism to be a detriment to society

an active atheist, usually publicly denouncing religion, theism, and churches/mosques

Someone with a brain
"Hey, I'm an antitheist"

"What? I thought you were an atheist.."

"I am both! I both lack a belief in a god AND oppose religious institutions"
by That Humanist Chick September 23, 2009
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Antitheism is an opposition to theism, an antitheist is one who practices antitheism.
Doug is an Antitheist he opposes theism because it postulates an unverifiable hypothesis.
by Donquixote June 15, 2012
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A person whom realizes the harm religion has caused and is still continuously causing to humanity and actively opposes it.
Anti-theists tend to be predominantly atheists,agnostics,deists,pantheists and spiritualists.
Most notable anti-theists/militant atheists:
Richard Dawkins
Christopher Hitchens
Sam Harris
David Silverman
Thomas Jefferson
Madalyn Murray O'Hair
by Znk666 June 05, 2012
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People who don't realize they turned atheism into a religion. Mock Christians for.not questioning what they are told. Yet get mad when one questions them. Usually attack a Christian Twitter account. Don't realize that most early scientists where religious. They think they are superior. Yet don't realize that they follow men, take their word for it. They try to convert everyone to atheism. And try to convert atheists who don't give a crap about religion, to join them.
That anti theists said I was shoving my stupid silly beliefs down their throat. Yet all I said was bless you when they sneezed. Then the hypocritical atheists tried to deconvert me. By shoving their beliefs down my throat
by sillbilly98 November 24, 2014
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