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36.
either the belief that there is no god, or the belief that humanity doesn't know enough to make assumptions that lean in any particular direction. not to be confused with satanism which is in fact a religion. atheism is NOT a religion but a lack thereof.
billions of people have died in history by people killing in the name of various gods or religions.
atheism is a bit less violent in most situations, dont you think?
by John Q. notaumbass February 28, 2008
 
37.
1) The belief that god does not exist, or a severe lack of faith in god. The advent of modern science and technology has slowly ebbed away at the belief god created everything, and has been on the rise since the mid 20th Century.
Once I believed in god, but the state of the world and new technology has made me look at this, and now, I have converted to Atheism.
by Sun-Won Kim December 25, 2003
 
38.
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
 
39.
A degenerative condition transmitted during observation and comparison of human beings with monkeys.
Infection may become more serious with knowledge of history and a study of psychology. Often coupled with a secondary infection called 'intelligence'.
"I graded out of Atheism, Carpentry and Shit-kicking."
by Crazy Otto September 17, 2005
 
40.
some argue the state and atheists have cause over 100 million deaths. Nothing compared to the sheer number of deaths that have been cause by religion and theism in the past (crusades) and the simple halt of progress that the church has created (inquisition). Also, violence based on God continues today in the Middle East. But atheists are bad because they don't have faith in something that has no logical merit.
According to Roman Catholic tradition and scripture, one is to have faith in something without proof, like God or Jesus. However, I can easily say "I am Jesus 2005, follow me" and you must follow me without any logical reason or proof, because you're supposed to have faith. Makes sense.
by Original Name April 20, 2005
 
41.
Mentally healthy - free of the superstitious belief and ignorance that befall so many.
Todd: That new girl seems pretty smart.

Josh: Yeah, she's got a good head on her shoulders and seems pretty sane. She's an atheist.
Todd: Well, yeah, if not for atheism she wouldn't be sane at all.
by Kaetzchen Miaou October 01, 2013
 
42.
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.
Atheism
by Claptrap January 01, 2014