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1.
Someone who believes that studying physical sciences, nature, or natural history can help answer most, if not all, of our questions.
The term Naturalist is preferred by many Atheists because they have realized that to define "Atheism" using that terminology implies that religion or superstition is necessary in order to understand the philosophy of not believing in a god or gods.
by Pointer of the Obvious August 17, 2008
 
2.
A person with tendenices to do everything with a natural style; someone who has true personality; an individual with a natural fresh that isn't affected by trend or conforming style; A man/women that feels that they act natural doing everything not faking or puting on a fornt to fit in
Wow, that guy is just doing whatever he wants, he doesnt care about what we think thats gotta be a naturalist.

O'man he fresh, i don't really see anyone like that, he a naturalist.
by nature kid September 06, 2008
 
3.
Naturalism is the incorrect philosophy of atheists. It's definition is "the philosophical belief that everything arises from natural properties and causes, and supernatural or spiritual explanations are excluded or discounted."
Naturalism explains how but not why. There are also many philosophical and logical problems with naturalism as it completely ignores the fine-tuning of the universe, the scientific principle of causality and would have people put their blind faith in the hypothesis of abiogenesis which is evidenceless. Naturalism would have everyone believe that the universe proceeded from nothingness.

Atheist idiots who adhere to naturalism are naturalists.
by Scientificlightdiscovery January 09, 2014