a person who holds that the existence of the ultimate cause, as god, and the essential nature of things are unknown and unknowable, or that human knowledge is limited to experience.
2.
a person who denies or doubts the possibility of ultimate knowledge in some area of study.
I'm definitely Agnostic, even though I don't consider it a full blown religion.
Lots of people on these forums are either Christian,Muslim or Atheist. But im Baha'i. If you dont know what it is? Google it . I respect all religions and everyone's beliefs.