There are two kinds of atheism: strong (positive) atheism and weak (negative) atheism. The difference between these two is basically that a weak atheist doesn't believe in God, while a strong atheist believes in no God.

Weak atheism is essentially the same as agnosticism]. It states that since we have no proof of a God, we cannot know for sure that one exists. Strong atheism states that since we live in a scientific world where the existence of things is determined solely by their observability, we cannot assume anything unobservable to exist. God isn’t observable, therefore he doesn’t exist (cf. Occam’s Razor). This doesn't mean that an atheist wouldn't WANT to believe in God, it merely means that he has no REASON to believe in it/him.

Strong atheists often question the special treatment weak atheists – and theists – give to religion. If they believe that the tooth fairy or Santa Claus do not exist, why are they willing to give God a benefit of the doubt?

Strong atheism is often equated with religion since it takes a strong stance on the issue. This is, however, fallacious. Religion is not based on rationality, and strong atheists value rationality over fantasy. Therefore atheism is not parallel with religion.
I do not follow atheism. I merely concur with it.
by Servant Of Progress October 21, 2004
*Sigh* Okay, let me get this strait for most of you idiots.

Atheism does not mean you worship Satan.

Atheism means you believe in NO God of ANY type WHATSOEVER.

It is the doctrine or belief that there is no God
Christian: "You don't believe in God, so that means you're an evil Satanist."

Atheist: "No, it means I don't believe in some Jewish zombie that I somehow have to telepathically worship. Atheism means I believe that life came from science."
by Scootcha August 24, 2010
Not believing any god or any supernatural force/being. Atheists believe in fact, logic, and what is proven.
•Atheism is NOT a religion!!!
•Atheism has nothing to do with satanism. If it did, the person wouldn't be atheist. Satan is supposedly a supernatural being, therefore, they do not believe in Satan. Just because you don't believe in a religion, that does not mean that you are automatically a Satanist.
•People call atheists evil, the Antichrist, and whatnot. Probably in religious peoples' eyes, they are evil.
Most Atheists don't go up to a religious person and start bagging on them and their religion. For the record, I have never seen another religious person who isn't a Christian make fun of Atheists and call them pussies and devils and other stuff. It's because of this, that Christians are the ones targeted by Atheists most when making fun of the religion. And because of THIS, Christians make fun of Atheists more than any other religion. So it's kind of like a war between Atheists and Christians.
•Some people also say that Atheists believe that we all came from monkeys or evolved from monkeys. That is also wrong. We didn't evolve nor come from monkeys; we had a common ANCESTOR as apes, monkeys, etc. Don't get me wrong about evolution though. There IS evolution in bacteria, cells, and even some animals (probably). Some diseases are bad, but if not cured in time, they may evolve into a more worse disease that may be incurable.

~This part is for bad Christians~
(When I say bad, I'm not saying you suck, just saying you aren't following your own religion and it's rules)
•Christians who constantly say bad things about atheism, get mad at atheism, say they will kill people who are atheism...isn't that a sin in your religion? Aren't religious people suppose to be good and not do bad things? Like stealing and beating someone up because of a color they are wearing or a color of their skin? Isn't it bad to lose your virginity when you're still in high school or middle school still? Isn't it also bad to do your best friend's spouse? Or even lie about something you did? If say you are a Christian and say you are a good Christian, why do I still see people do these things? Why do I hear people say they don't care about their parents and are always bad to their parents? They might have done wrong in the past, or are still doing wrong, but they're your parents, you can help them change. No matter how much they refuse to change. Help them if they're struggling.
Person 1: Are you of the religion of Atheism? Aren't you guys evil and believe in the Devil?
Person 2: No, I am an Atheist. I don't believe in any religion or any god. I believe in facts and what can be proven. I don't believe we are monkeys nor came from them. If you are to make fun of me, then so be it.
by This isn't a name. December 29, 2008
Opposite of religion. The idea that there is no God or deity of any sort. The idea that this world is it. Basically, that's it.

Atheists can be nice and considerate. But there are some who roam around (especially on the internet) that mock and ridicule theists, as if that's doing any good at all.
Jenna is an atheist. She believes in no God.

There are some people online who call themselves {Atheists] while ridiculing people online for no good reason. However, there are Atheists who aren't like that.

I wouldn't be surprised if the term Atheism didn't pass, judging by this website.
by Potatoe Joe July 28, 2015
The belief that there was nothing, and then nothing happened to nothing, thus, everything that is and ever was in the world began to exist. Including every living thing on earth, which supposedly evolved from the same single-celled organism that magically appeared out of the aforementioned nothingness.
Atheism is proof that some people are just idiots. To refuse the idea that there is a "magical ghost" that created everything, while still claiming that everything you see comes from magic? Now, THAT'S what I like to call hypocritical, indecisive bullshit.
by The Zeldaniac January 09, 2015
The belief that there was nothing, and nothing happened to nothing and nothing then magically exploded into everything for no reason, then bits of everything reformed into self-replicating bits for no reason, which then turned into dinsaurs.
You think religion is crazy? Just look at atheism sometime!
by The Whacko November 02, 2014
The belief that there was nothing, and nothing happened to nothing and then nothing magically exploded for no reason, creating everything, and then a bunch of everything magically rearranged itself for no reason whatsoever into self-replicating bits which then turned into dinosaurs.
Unless you are an expert in religion, atheism makes no sense.
by Ser Anneliese May 20, 2012
The rejection of theism, or belief that there is no omnipotent being that controls or created anything. The atheist leaves little to subjectivity beyond this, and generally only relies on what is observable and provable.

Atheism relies heavily on science for explanation. The only induction allowed in science is in the basic properties of matter that are so fundamental that they can not be proven to exist by anything else (the same way a statement can not cite itself as a proof), but are easily observable and thus held to be true. Science holds true only what can be observed.
by SpooneyMallard December 15, 2008

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