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15.
BEFORE YOU PISS YOURSELF AND DISREGARD THIS DEFINITION, PLEASE REALIZE I AM NOT BASHING ATHIEST. JUST ANTI-THEISTS.

USUALLY a huge fag who thinks he is super hxc because he hates religion.
More than likely, all his friends, if he has any that is, thinks he is an idiot
or some kind of retard.

Some qualities an anti theist PROBABLY has:
1. An anarchist
2. Bases his beliefs off of George Carlin's comedy act without realizing that
there is a reason it is called a COMEDY act
3. Has never had a girlfriend
4. Thinks other people don't like him because they are "bl1nd3d bby teH g0dzz
anDD arnt sm4rt enuff 2 c passt 1t. lulz, d1d u no tha '1t' rhyme5 wit 'tit'.
megalulz, ima masturbate now."
5. Listens to music he heard off of Guitar Hero, because none of his friends want to share their musical taste with him. If he knew some of the bands from Guitar Hero believed in God, he would immediately piss himself and go fap his anger off.
6. Will be living with his parents for a loooong time.

Anti-theists should not be confused with an atheist. An atheist is someone who
simply doesn't believe in a God while an anti-theist is retarded and has no
friends.
Regular person: I'm going to church on Sunday, want to come?

Atheist: No thanks, I'm not really into that sort of thing.

Regular Person: Oh, that's cool. I'll see you at work tomorrow.

Anti-theist who overheard their conversation: Faggot, you are blinded by your God and you will suffer from a lack of your false promises! I will enjoy seeing you depressed from having no result in following your false faith!

Regular person: Ahh, fuck, he's not coming into work tomorrow, is he?

Atheist: No, he doesn't have a job. But hey, what more can you expect from an
anti theist?

(The 2 friends walk away, laughing at the anti-theist and his retardedness. The
anti-theist begins to jack off.)
by fgsfdsMASTER February 24, 2009
 
1.
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
 
2.
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.
Antitheist - Religion is kiling society.
by Mr.Universe November 27, 2005
 
3.
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
 
4.
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
 
5.
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
 
6.
An Antitheist not only lacks a belief in God(s) and the supernatural but also thinks it is our responsibility to undo, and prevent futher, retardation of society caused by the actions of people in the name of their imaginary God(s).
As an Antitheist, it is my duty to the future to tell children that, no matter what anyone tells them, they won't burn in hell for not believing religious nonsense.
by The Real Uncle Matt September 14, 2012
 
7.
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